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See detailQuadripulse Repetitive Transcranial Magnetic Stimulation on Visual Cortex for Chronic Migraine Prevention: A Pilot-Trial
Sasso d'Elia, Tullia; Vigano, Alessandro; Fataki, Michel et al

in Cephalalgia : An International Journal of Headache (2013), 33(8), 49

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See detailProspective study of an advanced nurse triage for a target pathology at the admission in the emergency department
JOBE, Jérôme ULg; VANDERCLEYEN, C; Ghuysen, Alexandre ULg et al

in Acta Clinica Belgica (2013), 68(6), 2

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See detailPrevalence of vitamin D inadequacy in European postmenopausal women aged over 80 years
Bruyère, Olivier ULg; Slomian, Justine ULg; Beaudart, Charlotte ULg et al

in European Geriatric Medicine (2013), 4(S1), 13-14

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See detailStrontium ranelate effect on knee osteoarthritis progression : a MRI analysis
Genant, HK; Zaim, S; Guermazi, A et al

in Osteoporosis International (2013), 24(1), 312-313

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See detailReduction in VAP incidence by subglottic secretion drainage and antibiotic consumption in ICU patients
VAN CAUWENBERGE, Isabelle ULg; ANCION, Arnaud ULg; LAMBERMONT, Bernard ULg et al

in Intensive Care Medicine (2013), 39(Suppl 2), 465-4660898

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See detailOptimizing scale search in species distribution models
Serckx, Adeline ULg; Huynen, Marie-Claude ULg; Beudels-Jamar, Roseline et al

in Folia Primatologica : International Journal of Primatology = Internationale Zeitschrift für Primatologie = Journal international de Primatologie (2013), 84

The influence of spatial scale on ecological processes and pattern formation, such as species distribution is a major research topic since decades. It has become even more relevant in the context of ... [more ▼]

The influence of spatial scale on ecological processes and pattern formation, such as species distribution is a major research topic since decades. It has become even more relevant in the context of global change. In many studies the influence of a predictor on a response derived over multiple and discrete spatial scales is evaluated. Due to inherent issue of multiple testing, this approach can be problematic. In this study on bonobos distribution, we suggest a 3-steps procedure that overcomes this problem. It takes into account the decay of a predictor by using a weighting function of distance to the observation of interest. We use variables to account for human pressure, food availability, patchy structure of the forest and nesting sites re-use. In a first step, we run a model with a fixed scale for every predictor based on expert opinion. For significant variables, we derive then in a second step the distance weighted influence over a range of scales. This helps to narrow down the search for the final model parameter estimates. Findings indicate that bonobo distribution is driven on the intermediate scale by forest patches structure. Food availability explains their abundance only at smaller scales. Those results demonstrate the sadly well-known influence of habitat fragmentation on animals’ density and distribution but also highlight the importance to understand influences of scale, the animal perceptions of their environment, by using appropriate statistical procedures. Our method can be particularly useful to formulate specific management hypotheses for conservation. Furthermore, its principles can be of use to other types of studies, such as behavior. [less ▲]

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See detailRisks factors for valvular regurgitations in 3499 equids: a cross-sectional study.
Leroux, Aurélia ULg; Detilleux, Johann ULg; Sandersen, Charlotte ULg et al

in Proceedings of the 2013 ACVIM Forum (2013)

Risk factors for valvular regurgitations (VR) have been suspected in equids, but no extensive epidemiologic study has been performed in a large mixed equine population. Therefore, the aim of this study ... [more ▼]

Risk factors for valvular regurgitations (VR) have been suspected in equids, but no extensive epidemiologic study has been performed in a large mixed equine population. Therefore, the aim of this study was to statistically test risk factors for VR in a large population of equids. Hospital records were reviewed for 3.499 equids, admitted at the internal medicine department of the Liege Equine Teaching Hospital between 1994 and 2011, aged ≥2 years, and which underwent thorough cardiac clinical evaluation. Of this population, 495 cases had ECG and echocardiography performed because of a clinical suspicion of cardiac disease. Chi-square test or logistic regressions (as appropriate) were used to test if breed, gender, age, body weight (BW), and co-existence of various cardiac diseases were risk factors for each VR. Moreover, the risk of development of congestive heart failure (CHF) was tested for each VR. Significance was set at p<0.05. Most of the studied animals were warmbloods, and observed prevalences were 4.4% for mitral regurgitation (MR), 2.1% for aortic regurgitation (AR), 1.7% for tricuspid regurgitation (TR), and 1.0% for pulmonary regurgitation (PR). Significant risk factors were male gender and increasing age for AR (OR=2.03, CI=1.07-4.94), and racehorses breed group and middle-age for TR (OR=4.36; CI=1.10-17.24). No effect of age or BW was demonstrated for MR. MR was the major valvular disease associated with atrial fibrillation (AF), ventricular tachyarrhythmia, PR and CHF. TR was also linked to AF, PR and CHF; but AR was not linked to CHF. In conclusion, several previously suspected risks factors for VR were confirmed statistically in this study and should be taken into account in health and athletic monitoring of horses presenting predisposing factors. [less ▲]

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See detailEstimation of the fascine efficiency in terms of runoff infiltration and sediments deposition
Degré, Aurore ULg; Pineux, Nathalie ULg; Cantreul, Vincent ULg et al

in Geophysical Research Abstracts (2013), 15

Runoff inundations and mudflows are more and more frequent phenomena. In 2011, Belgium had a lot of its municipalities affected by this problematic. Since then, mitigation measures are more and more set ... [more ▼]

Runoff inundations and mudflows are more and more frequent phenomena. In 2011, Belgium had a lot of its municipalities affected by this problematic. Since then, mitigation measures are more and more set up in agricultural watersheds. The fascines are one of these measures which allow to protect the public and private infrastructures and in the same way, which don’t reduce the famers productivity. They consist in branches faggots piled up between two rows of stakes. These linear constructions are mainly put in place across concentrated runoff axis in order to slow down the water and to filter the mud. Only few quantifications of their effectiveness (in terms of flow and concentration water reduction) exist and are however needed to better recommend these types of mitigation measures. Our experiment aims at measuring discharge and mud concentration reduction due to the fascines in a completely defined context. The tests were realised through fascines planted in field border. A watertight surface of 2,45m to 0,80m carries the water to the fascines. Three types of fascines were tested (willow wood fascine, straw fascine, straw compacted fascine), three different water flows were applied (0,5L/s, 3L/s and 6L/s) and three water concentration in dry soil (13g/L, 26g/L, 38g/L) were used. The different factor combinations were tested. The results show that we can expect a reduction of 60% of the flow for the biggest water flows (proportional efficiency with the water flow). The factor interaction study doesn’t allow to see a difference between the type. About the sediment water concentration, the filtration can reach 50%, the fascine with wood faggots showing a better efficiency. Finally, the difference between the fascine type show that straw fascine can support a biggest watershed (25 hectares) than the wood faggot fascine can (5-10 hectares) but during a smaller return period (one year against five years). [less ▲]

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See detailIntraperitoneal Adhesions After Open or Laparoscopic Abdominal Procedure: An Experimental Study in the Rat.
Arung, Willy; Drion, Pierre ULg; Honoré, Pierre ULg et al

in Surgical Endoscopy (2013), 27

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See detailPatients' preferences for osteoporosis drug therapy : a discrete choice experiment
Hiligsmann, Mickaël ULg; Dellaert, B; Dirksen, C et al

in Osteoporosis International (2013), 24(1), 53

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See detailInteraction of fengycin with stratum corneum mimicking model membranes: a calorimetry study
Nasir, Mehmet Nail ULg; Eeman, Marc; Olofsson, Gerd et al

in European Biophysics Journal [=EBJ] (2013), 42(S1), 168

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See detailExperimental and numerical study of TA6V mechanical behavior under different quasi-static strain paths at room temperature
Gilles, Gaëtan ULg; Habraken, Anne ULg; Cazacu, Oana et al

in AIP Conference Proceedings (2013), 1532

This paper presents an experimental study of the quasi-static mechanical behavior of TA6V titanium alloy. Different monotonic tests were carried out in several orientations in the plane of the sheet in ... [more ▼]

This paper presents an experimental study of the quasi-static mechanical behavior of TA6V titanium alloy. Different monotonic tests were carried out in several orientations in the plane of the sheet in order to characterize the anisotropy and the tension-compression asymmetry exhibited by the material. Initial yielding is modeled by the phenomenological CPB06 criterion and Voce's isotropic hardening is used to describe its evolution. The simulation of a deep-drawing process is performed using the proposed constitutive modeling and compared with experimental data. [less ▲]

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See detailBehavioural Ecology of Bonobos (Pan paniscus) in the Forest-Savannah Mosaics of Western Democratic Republic of Congo
Vimond, Marie; Serckx, Adeline ULg; Beudels-Jamar, Roseline et al

in Folia Primatologica : International Journal of Primatology = Internationale Zeitschrift für Primatologie = Journal international de Primatologie (2013)

The long-term survival of the Endangered bonobo (IUCN, 2012) will depend on well thought out conservation programmes that need to be built both upon the species’ ecological requirements and local socio ... [more ▼]

The long-term survival of the Endangered bonobo (IUCN, 2012) will depend on well thought out conservation programmes that need to be built both upon the species’ ecological requirements and local socio-economics realities. Yet there is still a lot to find out, including information on the species geographical distribution. In 2005, the presence of a western population was confirmed in the forest-savannah mosaic in the south-western part of the Lake Tumba Landscape. With the exception of an early study carried out in Lukuru, the species is mainly known from lowland rainforest research sites in the Cuvette Centrale. The western forest-savannah mosaic is an ecotone with a marked seasonal pattern, a high variability of habitats and monthly variations in fruit production. All this leads to spatio-temporal variation of food availability. In order to increase studies and monitoring of this unique population, WWF initiated a habituation process of two groups of bonobos 6 years ago. The groups are now semi-habituated, making the collection of direct daily observations possible. Our objective is to describe the behavioural strategies developed by this population in order to cope with spatio-temporal variations of food availability. This will be approached by identifying daily activity, ranging and grouping patterns, in order to understand how they affect social structure. It should also allow us to define the use of savannahs. Our findings will help determine specific conservations measures for this endangered species. [less ▲]

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See detailPhenomenology of $\alpha_s$ at intermediate energy: the quark-hadron duality approach
Courtoy, Aurore ULg

in PoS - Proceedings of Science (2013)

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See detailValence transversities: the collinear extraction
Courtoy, Aurore ULg; Bacchetta, Alessandro; Radici, Marco

in PoS - Proceedings of Science (2013)

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See detailStrontium ranelate prevents radiological progression in patients with primary knee osteoarthritis
Cooper, C; Berembaum, F; Nash, P et al

in Osteoporosis International (2013), 24(1), 306-307

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See detailSpectral Modelling of Massive Binary Systems: The Example of LZ Cep
Palate, Matthieu ULg; Rauw, Grégor ULg; Mahy, Laurent ULg

in Central European astrophysical bulletin (2013)

Despite their importance for many astrophysical processes, massive stars are still not fully understood. Massive binaries offer an attractive way to improve our knowledge of the fundamental properties of ... [more ▼]

Despite their importance for many astrophysical processes, massive stars are still not fully understood. Massive binaries offer an attractive way to improve our knowledge of the fundamental properties of these objects. However, some secondary effects are known to generate variations in the spectra of massive binaries, rendering their analyses more difficult. We present here a new approach to the computation of synthetic spectra of massive binaries at different phases of their orbital cycle. Our model starts with the Roche potential modified by radiation pressure and accounts for the influence of the companion star on the shape and physical properties of the stellar surface. We further account for gravity darkening and reflection effects to compute the surface temperature. Once the local gravity and temperature are determined, we interpolate in a grid of NLTE plan-parallel atmosphere model spectra to obtain the local contribution to the spectrum at each surface points. Then we sum all the contributions, accounting for the Doppler shift, and limb-darkening to obtain the total spectrum. The computation is repeated for different orbital phases and can be compared to the observations to determine the best parameters. We illustrate our method through the example of the LZ Cep system (O9III + ON9.7V). [less ▲]

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See detailFinal analysis of overall survival for the Phase III CONFIRM trial: fulvestrant 500 mg versus 250 mg
DI LEO, Angelo; JERUSALEM, Guy ULg; PETRUZELKA, Lubos et al

in Cancer Research. Supplement (2012, December 15), 72(24), 1-4

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See detailDiscriminant BOLD Activation Patterns during Mental Imagery in Parkinson’s Disease
Schrouff, Jessica ULg; Cremers, Julien ULg; D'Ostilio, Kevin ULg et al

in Proceedings of MLINI 2012 (2012, December 07)

Using machine learning based models in clinical applications has become current practice and can prove useful to provide information at the subject’s level, such as predicting an (early) diagnosis or ... [more ▼]

Using machine learning based models in clinical applications has become current practice and can prove useful to provide information at the subject’s level, such as predicting an (early) diagnosis or monitoring the evolution of a disease. However, the performance of these models depends on the choice of a biomarker to detect the presence or absence of a disease. Choosing a biomarker is not straightforward, especially in the case of Parkinson’s disease when compared to healthy subjects. In the present work, we investigated the mental imagery of gait as a biomarker of Parkinson’s disease and showed that the signal in the mesencephalic locomotor region during the mental imagery of gait at a comfortable pace can discriminate significantly between idiopathic Parkinson’s disease patients and healthy subjects. Although there is room for improvement, the results of this preliminary study are promising. [less ▲]

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See detailPotentiel de dispersion du sanglier et historique de la colonisation de la plaine agricole
Morelle, Kevin ULg; Prévot, Céline

in Forêt Wallonne (2012, December), 121

Les populations de sangliers augmentent en nombre et étendent leur aire de répartition un peu partout en Europe. En Wallonie, la population de sangliers a quadruplé en 30 ans. Plusieurs études se sont ... [more ▼]

Les populations de sangliers augmentent en nombre et étendent leur aire de répartition un peu partout en Europe. En Wallonie, la population de sangliers a quadruplé en 30 ans. Plusieurs études se sont penchées sur le sujet et les raisons de cette augmentation concernent souvent l’influence du climat. Grâce aux différents suivis réalisés par le DEMNA, les déplacements au sein des populations de sangliers sont mieux compris. L’article se penche d’abord sur le potentiel de dispersion du sanglier en se basant sur les données de bagage de marcassins. Deux variables sont analysées : la distance parcourue dans le cadre de la dispersion natale (mouvement à sens unique à partir du site de naissance d’un individu jusqu’à son site de première reproduction) et le taux de cette dispersion natale. Quelques résultats provenant d’une étude génétique sont également présentés. Le génotypage de 1153 sangliers répartis sur l’ensemble de la Wallonie a mis en évidence quatre sous-populations génétiquement homogènes. Parallèlement à l’augmentation de la taille de ses populations, le sanglier a vu son aire de distribution s’accroître en Wallonie. Un suivi par enquête a été réalisé auprès des conseils cynégétiques et des agents du DNF pour mieux comprendre l’expansion géographique observée. Une première phase de l’enquête visait à retracer l’expansion géographique du sanglier en Wallonie. La seconde phase consistait à réaliser un état des lieux sur la situation actuelle de la distribution du sanglier en périphérie du sillon Sambre-et-Meuse. [less ▲]

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See detailDynamic simulations of solar combisystems integrating a seasonal sorption storage: Influence of the combisystem configuration
Hennaut, Samuel ULg; Thomas, Sébastien ULg; Davin, Elisabeth ULg et al

in Strojarstvo: Journal for Theory and Application in Mechanical Engineering (2012, December), 54(6), 433-440

This paper focuses on the sizing of solar combisystems with adsorption seasonal storage to target autonomous solar space heating. Two main configurations of the combisystem are simulated, including one or ... [more ▼]

This paper focuses on the sizing of solar combisystems with adsorption seasonal storage to target autonomous solar space heating. Two main configurations of the combisystem are simulated, including one or two tanks. The influence of the seasonal storage on the sizing of the tanks is also discussed. Results show that performances of the system with two tanks are better (2 to 4 % with seasonal storage) but some improvements should be possible for the single tank configuration. The sizing of the sensible storage is nearly independent of the solar collectors area if there is a seasonal storage. The sensible storage size increase with the collectors area without adsorption storage. The analysis is conducted in simulation using the TRNSYS program. [less ▲]

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See detailUse of medium without reducing agent for in vitro fermentation studies by bacteria isolated from pig intestine
POELAERT, Christine ULg; Boudry, Christelle ULg; Portetelle, Daniel ULg et al

in Journal of Animal Science (2012, December), 90(Supplement 4), 387-389

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See detailUne étude de la vulnérabilité cognitive des parents au premier degré de patients schizophrènes
Wagener, Aurélie ULg; Duke, Géraldine; Xhenseval, Laure et al

in Revue Francophone de Clinique Comportementale et Cognitive (2012, December), XVII(4), 53

Schizophrenic patients and their first-degree relatives suffer from cognitive deficits in different area (memory, executive, attentional and language functions) which allows us to consider these deficits ... [more ▼]

Schizophrenic patients and their first-degree relatives suffer from cognitive deficits in different area (memory, executive, attentional and language functions) which allows us to consider these deficits as endophenotypes of schizophrenia. Schizophrenic patients also suffer from a lack of autobiographical memory and instability of identity: our study aims to determine whether this deficit and this instability are endophenotypes of schizophrenia. In order to reach this objective, we evaluated first-degree relatives. The results show that first-degree relatives suffer from cognitive deficits but, contrary to our hypotheses, not any deficit of specificity or instability of identity have been highlighted among these parents. [less ▲]

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See detail(Pré)textes : perspective didactique sur le dépeçage des textes littéraires à des fins d'exemplification
Van Beveren, Julien ULg

in MethIS : Méthodes et Interdisciplinarité en Sciences Humaines (2012, December), 4

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See detailNon-thermal radiation from a runaway early-type star
del Valle, M.; Romero, G.E.; De Becker, Michaël ULg

in AIP Conference Proceedings (2012, December), 1505

HD 195592 is an O-type supergiant star, known as a well-established runaway. Recently, a Fermi γ-ray source (2FGL J2030.7+4417) with a position compatible with that of HD 195592 has been reported. Our ... [more ▼]

HD 195592 is an O-type supergiant star, known as a well-established runaway. Recently, a Fermi γ-ray source (2FGL J2030.7+4417) with a position compatible with that of HD 195592 has been reported. Our goal is to explore a scenario where HD 195592 is the counterpart of the Fermi γ-ray source. The high-energy emission would be inverse Compton radiation produced in the bowshock of the runaway star. We calculate relativistic particle energy losses and the resulting radiation from the bowshock of HD 195592 and show that the latter is compatible with the detected γ-ray emission. We conclude that the Fermi source 2FGL J2030.7+4417 might be produced, under some energetic assumptions, by inverse Compton up-scattering of infrared photons from locally heated dust. HD 195592 might therefore be the very first object detected belonging to the category of γ-ray emitting runaway massive stars, whose existence has been recently predicted. [less ▲]

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See detailEvaluation d'un protocole de prise en charge nutritionnelle interdisciplinaire chez des patients brulés
MALHERBE, Christian ULg; VERBRUGGE, Anne-Marie ULg; MAGNETTE, André ULg et al

in Nutrition Clinique et Metabolisme (2012, December), 26-Supp1

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See detailMeasurement of serum albumin by protein electrophoresis and bromocresol green methods in canine and equine patients
Ramery, Eve ULg; Bureau, Fabrice ULg

in Veterinary Clinical Pathology (2012, December), 41(4), 5

Background: Bromocresol green method (BCG) is routinely used in veterinary laboratories to measure albumin. A good agreement between BCG and electrophoresis (SPE) in healthy domestic animals is reported ... [more ▼]

Background: Bromocresol green method (BCG) is routinely used in veterinary laboratories to measure albumin. A good agreement between BCG and electrophoresis (SPE) in healthy domestic animals is reported. However, in human medicine, at low albumin and high globulin concentrations, BCG also binds to α- and β-globulins fractions. Surprisingly, there is no recent literature evaluating the BCG method in diseased domestic animals. Objective: The purpose of the present study was therefore to compare the serum albumin values obtained by SPE and BCG in canine and equine patients. Methods: Albumin measured by BCG and SPE was compared in the serum from 30 canine and 30 equine patients. Results: Good correlation was found (Spearman´s rho rs = 0.91 in dogs and 0.84 in horses). However, Altman and Bland analysis of results showed a positive bias of BCG with SPE (3.41 g/l in horses and 0.41 g/l in dogs) that increased when only hypoalbuminemic patients were considered (4.17 g/l in horses and 1.31 g/l in dogs). Conclusion: Results confirm that, despite good correlation, BCG method tends to overestimate albumin, especially in hypoalbuminemic patients. This is particularly evident in horses. [less ▲]

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See detailInnovative Surface Plasmon Resonance biosensing architectures
desfours, Caroline; Hastanin, Juriy ULg; Drucbert, Anne-Sophie et al

in International Conference on Fibre Optics and Photonics (2012, December)

Surface Plasmons Resonance (SPR) architectures involving multi-wavelength interrogation are an attractive alternative for droplet biosensing. We present our results for in situ measurements of biological ... [more ▼]

Surface Plasmons Resonance (SPR) architectures involving multi-wavelength interrogation are an attractive alternative for droplet biosensing. We present our results for in situ measurements of biological molecules with a two-wavelength sensor and a SPR Coupler- Disperser spectroscopic sensor. [less ▲]

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See detailWhat is the potential increase of the heart graft pool by cardiac donation after circulatory death?
NOTERDAEME, Timothée; NELLESSEN, Eric ULg; HANS, Marie-France ULg et al

in Transplantation (2012, November), 94

Background: Heart transplantation remains to date the only definite treatment option for end-stage heart diseases. Currently only heart procured from brain death (DBD) donors are used. Combined with an ... [more ▼]

Background: Heart transplantation remains to date the only definite treatment option for end-stage heart diseases. Currently only heart procured from brain death (DBD) donors are used. Combined with an increasing demand, the constant heart graft shortage leads to an increase of deaths on cardiac transplantation waiting lists. The use of hearts procured after donation after circulatory death (DCD) could help to partly decrease the heart graft shortage. The aim of this study was to evaluate the potential increase of heart graft pool by development of DCD heart transplantation. Methods: The authors retrospectively reviewed their local donor database for the period 2006-2011, and screened the complete controlled DCD donor population for potential heart donors, using the same criteria as for DBD heart transplantation. The acceptable warm ischemic time (WIT) was limited to 30min from life support withdrawal to aortic cannulation. Results: During the analyzed timespan, 177 DBD and 70 DCD were effectively performed. From the 177 DBD, a total of 70 (39.5%) hearts were procured and transplanted locally or in another center. Out of the 70 DCD, 8 (11%) donors fulfilled the criteria for heart graft procurement and had a WIT of less than 30 minutes. During the same period, 82 patients were newly listed for heart transplantation, of which 53 were transplanted, 20 died or were unlisted, and 9 were still awaiting transplantation. Conclusions: Based on our database and a WIT of less than 30min, it could be estimated that 11% of the DCD might be heart graft donors, representing a 11% increase in heart graft procurement, as well as potential reduction of the deaths on the waiting list by 40%. [less ▲]

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See detailCouplage des modèles numériques SWAT et FeFlow pour l'étude des flux de nitrate à l'échelle d'un bassin versant agricole posé sur un aquifère sableux. Calibrage, validation et test de scénarios pour l'évaluation de pratiques agricoles plus durables en terme de gestion de l'azote
Vandenberghe, Christophe ULg; Deneufbourg, Mathieu ULg; Gaule, David et al

in Bulletin du groupe francophone Humidimétrie et Transferts en milieux poreux (2012, November), 58

Quatre prises d’eau exploitées à Arquennes (Belgique) sont contaminées par le nitrate. Leurs bassins d’alimentation sont situés en zone agricole caractérisée par un sol limoneux sur un aquifère sableux ... [more ▼]

Quatre prises d’eau exploitées à Arquennes (Belgique) sont contaminées par le nitrate. Leurs bassins d’alimentation sont situés en zone agricole caractérisée par un sol limoneux sur un aquifère sableux. Depuis 2004, ces bassins servent de site pilote dans le cadre de l’évaluation du Programme de Gestion Durable de l’Azote (PGDA), transposition de la Directive « Nitrates » en droit wallon. Les modèles numériques SWAT et FEFLOW ont permis de simuler les flux d’eau et de nitrate depuis la surface jusqu’aux galeries. Après calibrage et validation des modèles (sur la base d’une caractérisation du sol et du sous-sol et de traçages en milieux saturé et non saturé), plusieurs scénarios de pratiques agricoles ont été simulés afin de prédire l’évolution qualitative des eaux. L’expérience d’Arquennes a démontré que le recours au couplage SWAT / FEFLOW permet de proposer des solutions environnementales réalistes pour atteindre les objectifs fixés par la DCE. [less ▲]

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See detailEvaluation de l’impact de la filiere de production porcine sur les caractéristiques des jambons de l’IGP (Indication Géographique Protégée) Jambon d’Ardenne
Dzaomuho-Lenieregue, Phidias ULg; Eloundou Mballa, Pierre ULg; Sindic, Marianne ULg et al

in Viandes et Produits Carnés (2012, November), Hors-Série

The aim of this study is to evaluate the influence of pork production sector on technological behavior of raw material, properties of the ham final product and consumer preferences. An experimental ... [more ▼]

The aim of this study is to evaluate the influence of pork production sector on technological behavior of raw material, properties of the ham final product and consumer preferences. An experimental manufacturing assay of Ardenne Ham has been conducted for this purpose. Results show few incidence of pork production conditions on technological properties and chemical or sensory characteristics of hams. The preference tests, carried out with a sensory panel using several criteria, showed that consumers were able to distinguish two groups of hams, according to their fat content. They have a preference for lower-fat ham from one of the studied sectors. Method of multicriteria decision shows no overall preference for one of the submitted ham. [less ▲]

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See detailVocal Impact of a Prolonged Reading Task in Dysphonic versus Normophonic Female Teachers
Remacle, Angélique ULg; Morsomme, Dominique ULg; Berrué, Elise et al

in Journal of Voice (2012, November), 26(6), 8201-82013

OBJECTIVES: This study evaluates the impact on voice of a 2-hour reading task between 70-75 dB(A) in 16 normophonic and 16 dysphonic female teachers with vocal nodules. METHODS: Objective measurements ... [more ▼]

OBJECTIVES: This study evaluates the impact on voice of a 2-hour reading task between 70-75 dB(A) in 16 normophonic and 16 dysphonic female teachers with vocal nodules. METHODS: Objective measurements (acoustic analysis, voice range measurements, aerodynamic measurements) and subjective self-ratings were collected before the task and every 30 minutes during the reading to determine the voice evolution in both groups. RESULTS: Fundamental frequency, lowest frequency, highest frequency (F-High), highest intensity and intensity range increase through the reading, whereas Shimmer decreases. Maximum phonation time decreases after 30 minutes. Estimated subglottal pressure (ESP) and sound pressure level increase during the first hour. Afterwards, ESP decreases. Self-ratings worsen through time. When comparing the normophonic and the dysphonic teachers, self-ratings reveal more complaints in the dysphonic group. Few differences in objective measurements are found between both groups: normophonic teachers show lower ESP, higher F-High and greater frequency range. CONCLUSIONS: Frequency modifications from acoustic analysis and voice range measurements suggest an increased laryngeal tension during vocal load, while subjects perceive a worsening of voice. Aerodynamic parameters depict first a deterioration of voice efficiency and then an adaptation to the prolonged reading. The comparison between both groups shows a discrepancy between objective measurements and self-ratings, suggesting that both approaches are necessary to have a complete view of vocal load effects. Surprisingly, both groups behave similarly through vocal load, without more or quicker deterioration of voice in the dysphonic group. [less ▲]

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See detailPatterns of Clinical Management and Resource Utilisation for Postmenopausal Hormone-Receptor-Positive HER2-Negative (HR+ HER2-) Advanced Breast Cancer (BC) in Europe
ANDRE, Fabrice; MARINSEK, Nina; RICCI, Jean-François et al

in Value in Health (2012, November), 15(7), 419

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See detailHighly excited states of baryons in large Nc QCD
Matagne, Nicolas; Stancu, Floarea ULg

in Bled Workshops in Physics (2012, November), 13(1), 47-53

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See detailDoes processing speed protect from age-related decline in cognitive control?
Manard, Marine ULg; Carabin, Delphine; Collette, Fabienne ULg

in Frontiers in Human Neuroscience (2012, October 27)

Age-related difficulties have been reported on proactive control whereas reactive control seems to remain intact (Braver, Gray, & Burgess, 2007; Braver, 2012). This study investigated the potential ... [more ▼]

Age-related difficulties have been reported on proactive control whereas reactive control seems to remain intact (Braver, Gray, & Burgess, 2007; Braver, 2012). This study investigated the potential influence of speed of processing abilities on the age-related decline in proactive control. We used a working memory recognition paradigm involving proactive or reactive cognitive control by manipulating the interference level across items. 80 young adults (18-29 years old) and 80 healthy older adults (60-89 years old) were included. The main results revealed significant effects of age on sensitivity to interference. As expected, reactive control performance remained intact with aging (similar interference effect in the two groups). In contrast, we observed a larger interference effect in the proactive condition in aging. Finally, when the groups are matched according to their processing speed (assessed by the Code task of the WAIS III, with both younger and older adults having a score comprised between 60 and 93), the effect of age on sensitivity to interference disappeared. In other words, when younger and older adults had similar speed of processing abilities, no age-related proactive control decline was observed. In conclusion, beyond the fact that this study confirms the selective age-related decline in proactive control, it also indicates that speed of processing, a measure considered as reflecting the integrity of cognitive functioning during aging (Salthouse, 1996), influences the efficiency of proactive control in that population. [less ▲]

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See detailDetermination of Romanian alfalfa crude protein and crude fiber contents as well as in vitro organic matter digestibility by NIR spectrometry
Dale, Laura ULg; Thewis, André ULg; Rotar, Ioan et al

in Scientific Papers. Series D, Animal Science (2012, October 04)

Alfalfa (Medicago sativa L.) is a high quality forage which has been used worldwide. The superiority of alfalfa lies in its high yield, high protein content and high digestibility. The aim of this study ... [more ▼]

Alfalfa (Medicago sativa L.) is a high quality forage which has been used worldwide. The superiority of alfalfa lies in its high yield, high protein content and high digestibility. The aim of this study was to develop a simple, fast and non-destructive method, named Near Infrared Spectroscopy (NIRS) to determinate alfalfa quality. To realize this study, alfalfa samples were obtained from Mănăştur Experimental Station – Farm Cojocna in 2008–2009, in one experiment carried out using randomization blocks design with two experimental factors (mineral fertilization and period of harvest). Alfalfa quality was first determinated on 48 samples by classical analyses: crude protein CP (AOAC, 1990), crude fiber CF (Fiber Cap, FOSS, DK) and in vitro organic matter digestibility OMDrt (DeBoever, 1986). Then the samples were scanned by NIRS. Calibration models were performed by PerkinElmer Spectrum Quant + 4.21 program (USA) on the 48 samples determinated by classical analysis. The results showed fully confirmed by acceptable coefficients of determination and standard error of cross-validation (R2=0.96 for CP, 0.94 for CF, 0.98 for OMDrt and SECV=0.77 for CP, 1.35 for CF, 1.13 for OMDrt). Successful results for prediction of other 176 alfalfa samples were then obtained using these calibration models: SEP=0.869 for CP, 1.058 for CF, 1.058 for OMDrt). The highest CP and OMDrt values of alfalfa were obtained in bud stage (22.0% and 66.0% respectively). While for CF, the highest content was registered in the seed formation stage (46.0%). The NIRS technique offers us the possibility to determinate rapidly and easily Romanian alfalfa important parameters, but the system could also be used for the determination of other constituents. [less ▲]

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See detailPulsational Mode Identification Based on Chromatic Amplitude Behaviour: Recent Results for Rapidly Oscillating Subdwarf B Stars
Randall, S.K.; Fontaine, G.; Brassard, P. et al

in Astronomical Society of the Pacific Conference Series (2012, October), 462

We present recent results from mode identification based on the amplitude-wavelength behaviour for three rapidly pulsating subdwarf B stars: HS 2201+2610, EC 11583–2708 and EC 20338–1925.

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See detailCumulative Time in Band (cTIB): Glycemic Level, Variability and Patient Outcome All in 1
Penning, Sophie ULg; Signal, Matthew; Preiser, Jean-Charles et al

in Intensive Care Medicine (2012, October), 38 (Suppl 1)

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See detailArbitrary Lagrangian Eulerian Modelling of Tension Levelling
Boman, Romain ULg; Parrico, Anthony; Legrand, Nicolas et al

in Matériaux et Techniques (2012, October), 100(Hors série 2012), 40-42

This paper presents a two-dimensional model of tension levelling using the Arbitrary Lagrangian Eulerian (ALE) approach. During the simulation, the ALE mesh remains globally fixed along the rolling ... [more ▼]

This paper presents a two-dimensional model of tension levelling using the Arbitrary Lagrangian Eulerian (ALE) approach. During the simulation, the ALE mesh remains globally fixed along the rolling direction. Therefore, the required number of finite elements is much smaller than in the Lagrangian case and smaller CPU times are obtained for the same accuracy on the results. The ALE model is first validated against a classical equivalent Lagrangian model. Then, both sets of numerical results are compared to experimental measurements from the pilot mill of ArcelorMittal Maizières R&D. [less ▲]

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See detailAssociation between chondrocytes hypertrophy and angiogenesis of cartilage in osteoarthritis
Pesesse, Laurence ULg; Sanchez, Christelle ULg; Delcour, Jean-Pierre et al

in Arthritis and Rheumatism (2012, October), 64(10 (Suppl)), 760

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See detailINTERRATER AGREEMENT OF CLINICAL TESTS/SIGNS USED TO IDENTIFY PATIENTS WITH LUMBAR FUNCTIONAL INSTABILITY
Demoulin, Christophe ULg; Emmanuel, P.; DISTREE, Vincent ULg et al

in Journal of Orthopaedic & Sports Physical Therapy (2012, October), 42(10), 57

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See detailAccompagnement des aidants des patients Alzheimer comme approche non-pharmacologique essentielle!
Adam, Stéphane ULg; Bottard, Aude ULg; Crespin, Maurane ULg et al

in Revue Francophone de Gériatrie et de Gérontologie (2012, October), XIX(188), 326-327

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See detailChemometric tools for NIRS and NIR hyperspectral imaging
Dale, Laura ULg; Thewis, André ULg; Rotar, Ioan et al

in Bulletin of USAVM Cluj Napoca, Agriculture (2012, September 27), 69(1), 70-76

Nowadays in agriculture, new analytical tools based on spectroscopic technologies are developed. Near Infrared Spectroscopy (NIRS) is a well known technology in the agricultural sector allowing the ... [more ▼]

Nowadays in agriculture, new analytical tools based on spectroscopic technologies are developed. Near Infrared Spectroscopy (NIRS) is a well known technology in the agricultural sector allowing the acquisition of chemical information from the samples with a large number of advantages, such as: easy to use tool, fast and simultaneous analysis of several components, non-polluting, non-invasive and non destructive technology, and possibility of online or field implementation. Recently, NIRS system was combined with imaging technologies creating the Near Infrared Hyperspectral Imaging system (NIR-HSI). This technology provides simultaneously spectral and spatial information from an object. The main differences between NIR-HSI and NIRS is that many spectra can be recorded simultaneously from a large area of an object with the former while with NIRS only one spectrum was recorded for analysis on a small area. In this work, both technologies are presented with special focus on the main spectrum and images analysis methods. Several qualitative and quantitative applications of NIRS and NIR-HSI in agricultural products are listed. Developments of NIRS and NIR-HSI will enhance progress in the field of agriculture by providing high quality and safe agricultural products, better plant and grain selection techniques or compound feed industry’s productivity among others. [less ▲]

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See detailSacralisation et légitimation. Les hors-textes de la revue "L'Éprouvette" : fragments d’une Histoire discriminante
Dejasse, Erwin ULg

in Comicalités : Études de Culture Graphique (2012, September 27)

Between 2006 and 2007, L’Association have published the three issues of L’Éprouvette. These are, among other, illustrated by thirty-four images that are hugely enlarged fragments of comic’s panels. By ... [more ▼]

Between 2006 and 2007, L’Association have published the three issues of L’Éprouvette. These are, among other, illustrated by thirty-four images that are hugely enlarged fragments of comic’s panels. By comparing this with similar realizations (the exhibition Bande dessinée et Figuration narrative, the column « Cases mémorables » of the journal Les Cahiers de la bande dessinée), this paper asks about what it means reproducing comics’ fragments. It also tries to analyze the role played by these images within the journal and the links with the rest of the content. Endlessly, still by putting it in prospect with the realizations here above mentioned, it tries to see in what extent these images reflect a certain view about the history of the comic. [less ▲]

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See detailBevacizumab for recurrent glioblastoma, early observations on patient outcome in the belgian medical need program
Duerinck, Johnny; Clement, Paul; Bouttens, F et al

in Neuro-Oncology (2012, September), 14(3), 51

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See detailPlatelet-rich plasma (PRP) to treat patellar tendinopathy: preliminary results
Kaux, Jean-François ULg; Croisier, Jean-Louis ULg; SIMONI, Paolo ULg et al

in Regional Anesthesia & Pain Medicine (2012, September), 37(5 - Suppl 1), 216

Introduction: Patellar tendinopathy, often remain rebel to conservative treatments. Researches have specifically demonstrated the platelets action as mediator and/or enhancer of tissue healing. The aim of ... [more ▼]

Introduction: Patellar tendinopathy, often remain rebel to conservative treatments. Researches have specifically demonstrated the platelets action as mediator and/or enhancer of tissue healing. The aim of our study was to investigate the effect of 1 injection of PRP in patients suffering from chronic patellar tendinopathy. Methods: Patients performed imaging (US and MRI) and functional assessments, and a clinical examination using an algometer, before treatment and 6 weeks after PRP treatment. They were also invited to answer to questionnaire relative to pain and functional status. PRP was obtained from autologous blood using an apheresis system (COM.TEC, Fresenius). The injection of 6mL of PRP was realised without local anaesthesia into the proximal insertion of the patellar tendon. A 48h rest-time was recommended after infiltration. Afterwards, a submaximal eccentric reeducation was initiated 1 week after infiltration 3 times a week during 5 weeks. In case of pain, anti-inflammatory drugs were prohibited and patient were encouraged to take class I or II painkillers. Results: At this time, 10 patients with patellar tendinopathy were included in our study. Pre-injection tests revealed pain of the upper part of the patellar tendon just below the patella, associated with loss of function. Imaging exams confirmed diagnosis. Six weeks post-injection, the clinical status was improved in all patients, with a significant decrease of algo-functional scores. The pain reported during functional assessments was decreased (in particular for the eccentric actions), yet no significant improvement of physical performances was observed. We found no significant differences between imaging exams before and 6 weeks after PRP injection. Conclusion: One in situ injection of PRP clinically improved patients with patellar tendinopathy 6 weeks after treatment. All the 10 patients reported a decrease of pain during day-life and through physical activities. However nor functional performances neither imaging were improved. [less ▲]

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See detailAires et agrandissements. Maths & Manips pour la transition primaire-secondaire
Guissard, Marie-France; Henry, Valérie ULg; Lambrecht, Pauline et al

in Losanges (2012, September), 18

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See detailAge, GH and tumor size : the triangular relation in acromegaly. Data from the LAS (Liege Acromegaly Survey)
PETROSSIANS, Patrick ULg; Zacharieva, S; Chanson, P et al

in Journal für Klinische Endokrinologie und Stoffwechsel (2012, September), 5(3), 43

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See detailChange in naming abilities between the ages of 50 and 90: The importance of analyzing naming latency
Verhaegen, Clémence ULg; Poncelet, Martine ULg

in Stem-, spraak- en taalpathologie (2012, September), 17(2), 126-128

This study tests the controversial hypothesis that word naming difficulties may arise in individuals as young as their 50s. Participants of 25-35, 50-59, 60-69 and above 70 years of age were given a ... [more ▼]

This study tests the controversial hypothesis that word naming difficulties may arise in individuals as young as their 50s. Participants of 25-35, 50-59, 60-69 and above 70 years of age were given a picture naming task. To uncover subtle naming difficulties, correct naming latencies were analyzed, in addition to accuracy. Moreover, in order to control whether the expected slower naming latencies could be due to a general slowing affecting all cognitive tasks, participants were also given an odd/even judgment task to assess cognitive processing speed. In participants in their 50s, we found subtle naming difficulties revealed by longer naming latencies, unaccompanied by any decrease in naming accuracy. The age-related naming disadvantage increased with age with the onset of naming errors. Thus, in adults in their 60s and their 70s, the results showed both a decrease in accuracy and an increase in correct naming latencies. Moreover, the increase in naming latencies remained significant even after controlling for odd/even judgment latencies, suggesting a degradation specific to the picture naming task. We assumed that these slower latencies may result from a language-specific impairment. [less ▲]

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See detailPulsational Mode Identification Based on Chromatic Amplitude Behaviour: Recent Results for Rapidly Oscillating Subdwarf B Stars
Randall, Suzanna K; Fontaine, Gilles; Brassard, Pierre et al

in Astronomical Society of the Pacific Conference Series (2012, September), 462(232),

We present recent results from mode identification based on the amplitude-wavelength behaviour for three rapidly pulsating subdwarf B stars: HS 2201+2610, EC 11583-2708 and EC 20338-1925.

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See detailThe Physics of Pulsating White Dwarf Stars
Fontaine, G.; Brassard, P.; Charpinet, S. et al

in Astronomical Society of the Pacific Conference Series (2012, September), 462

We present a summary of the properties of white dwarf stars, beginning with a brief reminder of their basic characteristics. We continue with a discussion of the spectral types, evolution, and other ... [more ▼]

We present a summary of the properties of white dwarf stars, beginning with a brief reminder of their basic characteristics. We continue with a discussion of the spectral types, evolution, and other properties of cooling white dwarfs, with an emphasis on the internal physics. We then introduce the pulsating white dwarfs and provide an updated view of their status. We finally discuss the impact (real and potential) of asteroseismology on our knowledge of degenerate stars. [less ▲]

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See detailComparison of temperature estimates from heat transport model and electrical resistivity tomography during a shallow heat injection and storage experiment
Hermans, Thomas ULg; Daoudi, Moubarak ULg; Vandenbohede, Alexander et al

in Berichte der Geologischen Bundesanstalt (2012, September), 93

Groundwater resources are increasingly used around the world as geothermal systems. Understanding physical processes and quantification of parameters determining heat transport in porous media is ... [more ▼]

Groundwater resources are increasingly used around the world as geothermal systems. Understanding physical processes and quantification of parameters determining heat transport in porous media is therefore important. Geophysical methods may be useful in order to yield additional information with greater coverage than conventional wells. We report a heat transport study during a shallow heat injection and storage field test. Heated water (about 50°C) was injected for 6 days at the rate of 80 l/h in a 10.5°C aquifer. Since bulk electric resistivity variations can bring important information on temperature changes in aquifers (water electric conductivity increases about 2%/°C around 25°C), we monitored the test with surface electric resistivity tomography and demonstrate its ability to monitor spatially temperature variations. Time-lapse electric images clearly show the decrease and then the increase in bulk electric resistivity of the plume of heated water, during respectively the injection and the storage phase. This information enabled to calibrate the conceptual flow and heat model used to simulate the test. Inverted resistivity values are validated with borehole electromagnetic measurements (EM39) and are in agreement with the temperature logs used to calibrate the parameters of the thermo-hydrogeological model for the injection phase. This field work demonstrates that surface electric resistivity tomography can monitor heat and storage experiments in shallow aquifers. These results could potentially lead to a number of practical applications, such as the monitoring or the design of shallow geothermal systems or the use of heated water to replace salt water in tracer tests. [less ▲]

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See detailA salt tracer test monitored with surface ERT to detect preferential flow and transport paths in fractured/karstified limestones
Robert, Tanguy ULg; Caterina, David ULg; Deceuster, John et al

in Berichte der Geologischen Bundesanstalt (2012, September), 93

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See detailAnodal transcranial direct current stimulation over the visual cortex as a preventive treatment of migraine: a proof-of-concept study.
Sasso d'Elia, Tullia; Vigano, Alessandro; SAVA, Simona Liliana ULg et al

in Frontiers in Human Neuroscience (2012, September)

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See detailGH or IGF-1 : which one is raising blood glucose ? Hints from the LAS (Liege Acromegaly Survey)
PETROSSIANS, Patrick ULg; Zacharieva, S; Chanson, P et al

in Journal of Klinische Endokrinologie und Stoffwechsel (2012, September), 5(3),

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See detailErythropoiesis in acromegaly : effect of GH or IGF-1 ? Data from the LAS (Liege Acromegaly Survey)
PETROSSIANS, Patrick ULg; Zacharieva, S; Chanson, P et al

in Journal für Klinische Endokrinologie und Stoffwechsel (2012, September), 5(3), 45

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See detailCurrent evidence and indications for Prolotherapy with Platelet Rich Plasma in chronic musculoskeletal conditions
Kaux, Jean-François ULg; Crielaard, Jean-Michel ULg

in Regional Anesthesia & Pain Medicine (2012, September), 37(5 - Suppl 1), 104-106

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See detailImpact of extracorporeal shock wave therapy in the treatment of chronic lateral epicondylitis
Deroanne, Adrien; Deroanne, Didier; Florkin, Marc et al

in Regional Anesthesia & Pain Medicine (2012, September), 37(5 - Suppl 1), 263

Background and aim: radial shock wave therapy (RSWT) is a relatively new way to treat chronic tendinopathies, such as lateral epicondylitis. However, very few studies have been realized on this subject ... [more ▼]

Background and aim: radial shock wave therapy (RSWT) is a relatively new way to treat chronic tendinopathies, such as lateral epicondylitis. However, very few studies have been realized on this subject, and the results are very divergent. We aimed to observe the impact of this technique on chronic lateral elbow pain. Method: fifteen subjects who had a lateral epicondylitis for at least 3 months were included in the study. Two groups were formed: experimental (10 subjects) who received 6 sessions of physiotherapy and RSWT, and the control group (5 subjects) who received exclusively physiotherapy. Physiotherapy sessions were composed of massage, stretching, diacutaneous fibrolysis, and a muscular eccentric program of the wrist extensor muscles. We evaluated the subjects before the first session, and after 6 weeks of treatment with a pain visual analog scale (VAS), the painless wrist flexion amplitude, ant the “Patient-Rated Tennis Elbow Evaluation” (PRTEE) questionnaire. Results: the difference between initial and final evaluations was significant (regarding to the wilcoxon test) for all of the parameters studied (p=0,028 for the VAS, p=0,005 for the wrist flexion amplitude, and p=0,005 for the PRTEE) in the experimental group. It wasn’t significant in the control group (VAS p=0,144128, wrist flexion amplitude p=0,079617, and PRTEE p=0,067890). The comparison between the two groups was not significant, neither in the beginning, nor in the end of the treatment (regarding to the Umann and Whitney test) Conclusions: RSWT associated to physiotherapy is a more effective treatment for lateral epicondylitis than physiotherapy alone. [less ▲]

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See detailAging of the newly diagnosed acromegalic patients : data frome the LAS (Liege Acromegaly Survey)
PETROSSIANS, Patrick ULg; Zacharieva, S; Chanson, P et al

in Journal für Klinische Endokrinologie und Stoffwechsel (2012, September), 5(3), 33

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See detailIn vivo antimalarial activity of twigs extracts from Keetia leucantha
Béro, Joanne; Frederich, Michel ULg; Quetin-Leclercq, Joëlle

in Planta Medica (2012, August), 78(11), 1188

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See detailMyeloperoxidase as an indicator of endometritis in the mare: preliminary results
Parrilla Hernandez, Sonia ULg; Franck, Thierry ULg; Ponthier, Jérôme ULg et al

in Reproduction in Domestic Animals (2012, August), 47(suppl 5), 65

Diagnosis of endometritis in the mare is routinely based on the presence of polymorphonuclear cells (PMNs) on endometrial smears. Studies show a relation between PMNs and myeloperoxidase (MPO), an enzyme ... [more ▼]

Diagnosis of endometritis in the mare is routinely based on the presence of polymorphonuclear cells (PMNs) on endometrial smears. Studies show a relation between PMNs and myeloperoxidase (MPO), an enzyme released by PMNs during degranulation or after cell lysis, in many fluids and tissues. The aims of this study were to assess the presence and concentration of MPO in the mare’s uterus, and to investigate its relation with PMNs. Thirty-six cycles from 28 mares (ages ranging from 6 to 22 years) were used. Endometrial cytological samples were obtained with a small volume uterine flush and either a uterine cotton swab or a cytobrush, when a follicle >35 mm was observed by ultrasound. The smears were stained with Diff-QuickÒ and one or more PMNs per field (400·) was diagnosed as endometritis. The supernatant of the flushes was used to measure MPO concentration with a specific equine MPO ELISA assay. Our results showed the presence of MPO in the equine uterus during oestrus (mean = 2839 + 2785). MPO concentrations were signifi- cantly (p < 0.05) higher in samples with positive cytological results. Occasionally, some samples with negative cytological results showed high MPO concentration, but the opposite was never observed. Clinical signs of endometritis are not always present, or they may be delayed. An early diagnostic improves the success of treatment. Our results show that high quantities of MPO in endometrial samples indicate the presence of PMNs. Further studies are needed to determine if MPO concentration could be routinely used as a tool of early detection of endometritis. [less ▲]

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See detailEnvironmental enrichment can accentuate condtioned reward induced by representative cocaine doses in mice
Geuzaine, Annabelle ULg; Tirelli, Ezio ULg

in Journal of Psychopharmacology (2012, August), 26(8), 70

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See detailA flow cytometric study on the effect of myeloperoxidase on stallion spermatozoal motility and structure
Ponthier, Jérôme ULg; Parrilla Hernandez, Sonia ULg; Van Den Berghe, Femke ULg et al

in Journal of Equine Veterinary Science (2012, August), 32(8), 509

Myeloperoxidase (MPO) is a pro-oxidant enzyme that is normally contained in neutrophils. MPO has recently been associated with keratinized cells and with decreased post-thaw motility in stallion semen [1 ... [more ▼]

Myeloperoxidase (MPO) is a pro-oxidant enzyme that is normally contained in neutrophils. MPO has recently been associated with keratinized cells and with decreased post-thaw motility in stallion semen [1]. The aim of the study was to determine effects of experimental addition of active MPO on motility, mitochondrial potential, apoptosis induction, membrane and acrosome integrity in equine semen. Three stallions were used and semen was collected four times. Extended (INRA96TM) semen was processed for density gradient centrifugation (Equipure Bottom Layer®) [2]. Purified pellet was re-extended to 100x106spermatozoa/ml in INRA96TM and divided in 3 samples. One sample was used for control and active human MPO (Calbiochem, Merck) was added in the other two samples to final concentration of 5 or 50 ng/ml. After incubation (2 hours, 20°C), motility was analysed with Computer Assisted Semen Analysis (IVOS, Hamilton-Throne, Beverly, MA, USA) and cytometric analyzes were perfomed with EasyCyte (IMV). Mitochondrial potential and apoptosis were assayed using Guava Mitopotential JC-1 and 7-AAD kit (Millipore). Membrane and acrosome integrity were respectively assayed with PI (Propidium Iodide) (Invitrogen) and PNA (Peanut Agglutinin-Fluorescein Iso Thio Cyanate) (Sigma-Aldrich). Statistical differences (p<0.05) were determined using Kruskall-Wallis test. No effect of the stallions was observed on parameters assayed in this study. Unlike total motility, progressive motility was decreased in both MPO concentrations (p<0.001). MPO addition had no effect on membrane and acrosome integrity. No differences were detected for the percentages of spermatozoa having polarised or depolarised mitochondria. Apoptosis, assayed by 7-AAD fluorescence, was not increased by the treatments. Our results agree with previously published effects of in vitro ROS production systems with xanthine oxidase [3], showing an effect on motility but no influence on mitochondria and membrane or acrosome integrity. However, membrane lipoperoxidation was increased by ROS in this study [3], and it could be linked to the impaired motility also observed in our protocol. Further studies with increasing concentrations of added MPO should be conducted to correlate motility with lipoperoxidation. References [1] Ponthier J, Desvals M, Franck T, de la Rebiere de Pouyade G, Spalart M, Palmer E, Serteyn D, Deleuze S. Myeloperoxidase in equine semen: Concentration and Localization during freezing processing. Journal of Equine Veterinary Science 2012;32: 32-37. [2] Edmond AJ, Teague SR, Brinsko SP, Comerford KL, Waite JA, Mancill SS, Love CC, Varner DD. Effect of density-gradient centrifugation on quality and recovery rate of equine spermatozoa. Animal Reproduction Science 2008;107: 318-318. [3] Baumber J, Ball BA, Gravance CG, Medina V, Davies-Morel MC. The effect of reactive oxygen species on equine sperm motility, viability, acrosomal integrity, mitochondrial membrane potential, and membrane lipid peroxidation. J Androl 2000;21: 895-902. [less ▲]

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See detailPotential anticancer activity of young Carpinus betulus leaves
Cieckiewicz, Ewa ULg; Angenot, Luc ULg; Gras, T et al

in Planta Medica (2012, August), 78(11), 1178

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See detailEffect of artificial insemination site on post-mating endometritis in mares
Rodier, Clémentine; Ponthier, Jérôme ULg; Parrilla Hernandez, Sonia ULg et al

in Reproduction in Domestic Animals (2012, August), 47(suppl 5), 103

Aim of the study was to determine the effect of artificial insemination (AI) location on post-mating endometrial inflammation 1 and 6 days after AI. Six mares with ages ranging from 12 to 23 years were ... [more ▼]

Aim of the study was to determine the effect of artificial insemination (AI) location on post-mating endometrial inflammation 1 and 6 days after AI. Six mares with ages ranging from 12 to 23 years were inseminated with a same batch of frozen semen for 3 consecutive cycles. Mares were inseminated with the following procedures in a random order: (1) Deep uterine insemination with 4ml of semen; (2) Horn bifurcation with 4ml of semen; (3) Horn bifurcation with 4ml of semen and 6ml of extender. During each cycle, Cotton (C) and Brush (B) swabs were collected at 4 different moments: mid- dioestrus, mares with a 35mm follicle, 24h and 6 days after AI. Swabs were smeared on slides, fixed and stained (Diff-Quick®) before examination under light microscopy. Proportions of inflammatory and epithelial cells were determined and differences were studied with kruskal-wallis test for non-parametric data. Distensions of uterine lumen due to intraluminal fluid observed during ultrasound exams were measured and recorded. Quality of slides was better (p=0.0006) with B swabs than C swabs with 97% versus 65% of slides readable. B swabs were associated with higher percent of endometrial cells retrieved (p=0.0323), making them a better tool for endometritis diagnosis, which is consistent with our previous reports. Volume of intraluminal fluid and percent of inflammatory cells, both on B and C swabs, were not influenced by AI location regardless the timing of sampling. Small volume deep uterine AI did not significantly affect inflammatory response by the endometrium in our experiment. [less ▲]

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See detailMeasurement of human levels of Dechlorane 602 by CZC-NCI-HRTOFMS
Brasseur, Catherine ULg; PIRARD, Catherine ULg; L'Homme, Benjamin ULg et al

in Organohalogen Compounds (2012, August), 74

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See detailAnalytical criteria for use of MS/MS for determination of dioxins and dioxin-like PCBs in feed and food
Kotz, A; Malisch, R; Focant, Jean-François ULg et al

in Organohalogen Compounds (2012, August), 74

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See detailRaw semen concentration directly influences CASA velocity pathways
Parrilla Hernandez, Sonia ULg; Deleuze, Stefan ULg; Van Den Berghe, Femke ULg et al

in Journal of Equine Veterinary Science (2012, August), 32(8), 505

We observed an influence of the stallion on volume, spermatozoa concentration and all CASA parameters (p<0.0001), which are highly dependant on each other due to geometrical association of these data ... [more ▼]

We observed an influence of the stallion on volume, spermatozoa concentration and all CASA parameters (p<0.0001), which are highly dependant on each other due to geometrical association of these data. That stallion effect may have interfered with the associations we observed as stallions seem to have specific concentration and motility pathways. More studies, with more replicates, will allow comparing results from a same stallion and further establish the correlations we report here. [less ▲]

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See detailThe effect of homologous prostatic fluid on the parameters of dog semen extended and frozen in Tris-egg yolk and INRA Freeze: preliminary results
Stanescu, Pascal; Van Den Berghe, Femke ULg; Aissi, Adel et al

in Reproduction in Domestic Animals (2012, August), 47(s4), 431

Recent studies showed that the cryoprotector component of egg yolk for the freezing of canine semen is represented by the low density lipoproteins (LDL), while the others components of egg yolk have a ... [more ▼]

Recent studies showed that the cryoprotector component of egg yolk for the freezing of canine semen is represented by the low density lipoproteins (LDL), while the others components of egg yolk have a number of detrimental effects on the frozen-thawed canine semen. The aim of this study was to compare the effect of a LDL commercial extender used for stallion semen – INRA FreezeÒ (IMV Technologies, L¢Aigle, France) with a standard extender for dog semen containing Tris, fructose, glycerol and 20% egg yolk (TFG-EY). Since there are some conflicting reports concerning the effect of prostatic fluid on sperm function, we also investigated if the effect of post-thaw dilution with autologous prostatic fluid on viability, motility and acrosome status of frozen-thawed canine spermatozoa is correlated with the composition of the extender. Semen was collected from six Beagle dogs and each sperm rich fraction was divided in two parts: one was diluted with INRA FreezeÒ and the other with TFG-EY and frozen with the same protocol. The third fraction of each ejaculate was collected separately, centrifuged at 1118 · g for 10 min and the supernatant was frozen at )18°C until use. For each extender, two straws were thawed: one straw was diluted 1:2 with autologous prostatic fluid, while the other was not diluted at all. Motility (CASA, IVOS; Hamilton Thorne, USA), viability and acrosome status (Guava EasyCyteÒ flow cytom- eter; IMV Technologies, L¢Aigle, France), morphology (Diff-Quick stain) were assessed at 5 min, 1 h and 2 h post-thaw (T0, T1, T2). Statistical analyses were performed with IBM SPSS software (ver. 19 for Windows; IBM, New York, NY, USA). The results are presented as mean values and a p value <0.05 was considered statistically significant. Viability, total and progressive motility and the percentage Ó 2012 Blackwell Verlag GmbH 432 Abstracts of intact acrosomes were higher (p < 0.05) for the TFG-EY group with or without the addition of the prostatic fluid. The results for motility in the INRA Freeze group were dramatically low compared to the TFG-EY group. There were no significant differences regarding the morphology of fresh and frozen semen for any of the four groups. Addition of prostatic fluid for the TFG-EY group significantly reduced the total and progressive motility at T0, T1 and T2 (p < 0.05), but showed no influence for the INRA Freeze group. This data show that the effect of prostatic fluid regarding motility differs between the two extenders. This may illustrate either an inhibitory effect of some components of the INRA FreezeÒ on the noxious effects of the prostatic fluid or conversely an enhancing effect of the TFG-EY on those. Alternatively, it could be that low values obtained with INRA FreezeÒ did not permit highlighting the effects of prostatic fluid. [less ▲]

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See detailSquamous metaplasia of the prostate and diffuse alopecia in a 13-year-old castrated dog due to chronic ingestion of exogenous estradiol
Van Den Berghe, Femke ULg; Ponthier, Jérôme ULg; Deleuze, Stefan ULg

in Reproduction in Domestic Animals (2012, August), 47(S4), 561

Introduction. A 13-year old whippet with a generalized progressive alopecia since 2 years was referred to our clinic to perform a low-dose dexamethasone stimulation test and abdominal ultrasound to ... [more ▼]

Introduction. A 13-year old whippet with a generalized progressive alopecia since 2 years was referred to our clinic to perform a low-dose dexamethasone stimulation test and abdominal ultrasound to exclude or confirm Cushing disease. The dog had previously been treated with trilostane for 4 months without having any positive effects. Earlier blood analysis showed no significantly abnormalities and ACTH stimulation test was negative. Having bilateral cryptorchidism, the dog was castrated at young age. Clinical findings and treatment. Abdominal ultrasound revealed a slightly enlarged right adrenal gland (diameter of 1 cm at the cranial part). The prostate was enlarged and heterogeneous with multiple anechogenic cavities, indicating hormonal stimulation. Craniad the prostate and ventrally of the bladder, a hypoechogenic, oval structure (3 cm by 1.7 cm) could be seen, and was suspected to be a remaining cryptorchide testicle. Fine needle aspiration however showed that the structure contained a thick purulent liquid, with large amounts of polymorhonuclear white blood cells. Blood analysis revealed a leukocytosis (29370/mm3) with neutrophilia (23202/mm3). Low-dose dexamethasone test definitely excluded Cushing disease (basal cortisol levels 2,17 µg/dl; cortisol at 4 and 8 hours < 1 µg/dl). A prostatic wash was performed and revealed a severe prostatitis and presence of keratinized prostatic cells, indicating a squamous metaplasia of the prostate. Measurement of seric LH levels (LH Witness®, Synbiotics) showed an LH concentration lower than 1 ng/ml, indicating a hormonal negative feedback on the hypothalamo-hypophyso-gonadal axis. After a more thorough anamnesis, it became clear that the dog was licking and ingesting a transdermal estradiol containing cream (Estrogel®) from his owner, since two years, causing his symptoms. The dog was put on antibiotic treatment for the prostatitis (enrofloxacine 10 mg/kg SID) and underwent surgery to excise the abscess cranial of the prostate. The two ductuli deferentes were attached to this structure. Histopathological analysis revealed this tissue to be embryological remanents or a morphological anomaly with a urogenital origin. Control after 4 weeks showed that the prostate slightly decreased in volume, however, anechogenic cavities where still present of which one increased in volume. The alopecia was still present as well, both probably due to a prolonged action of the estrogens. Conclusion. Even though injectable estrogen preparations are not longer available in veterinary medicine in Europe, a thorough anamnesis towards other exogenous estrogen sources is still necessary and can reduce the number of supplementary exams performed. [less ▲]

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See detailBenveniste serait-il aujourd’hui un linguiste de l’énonciation ?
[Lttr 13]; Badir, Sémir ULg; Polis, Stéphane ULg et al

in Arts et savoirs (2012, July 24), 2

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See detailEffect of the milk recording time on the genetic parameters of milk production and mid-infrared milk components in Luxembourg dairy cattle
Arnould, Valérie ULg; Gengler, Nicolas ULg; Soyeurt, Hélène ULg

in Journal of Dairy Science (2012, July), 95

A particularity of the Luxembourg milk recording is the use of different schemes. Two principal schemes are applied: the scheme “S” applied on 69.1% of the total herds (n=712) and consisting in one ... [more ▼]

A particularity of the Luxembourg milk recording is the use of different schemes. Two principal schemes are applied: the scheme “S” applied on 69.1% of the total herds (n=712) and consisting in one proportionate sample of all daily milkings, and the scheme “T” (21.6% of the total herds) which consists in one sample of only one milking (morning or evening milking) (and alternating milking time from month to month). The problematic is that application of different schemes could influence the milk components (protein and fat yield) and the milk fat components (saturated and unsaturated groups of fatty acids) genetic parameters estimation and to prevent all comparisons between dairy population under different milk recording schemes. A total of 47,613 and 44,833 test-day records were obtained, respectively for schemes “S” and “T” from Holstein cows in first lactation in Luxembourg dairy herds. The used model included as fixed effects: herd x date of test, class of age, and month x year. Random effects were permanent environmental, additive genetics, and residual effects. The main objective of this work is to study the effect the choice of milk recording schemes (“S” or “T” schemes) on milk yield and milk components genetic parameters. A solution could be to add a fixed effect taking in account the milking time. The second objective is to study the effect of milking time (morning or evening) on genetic parameters estimated in the case of scheme “T”. According to the results, genetic parameters were statistically different between the schemes “S” and “T” for milk yield (P value < 0.0001). Further, the classifications of bulls according to their breeding values were very different when values were estimated on basis of scheme “S” or “T” (Spearman correlation value of 0.51 for milk yield for example). In conclusion, using several milk recording schemes do not allow any comparison of genetic parameters between dairy cattle’s. [less ▲]

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See detailMALDI MSI for ovarian cancer biomarkers research: latest developments of the technology for screening and tracking.
Longuespée, Rémi ULg

in Histochemistry & Cell Biology (2012, July), 138(1), 141-54

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See detailInvestigation on the High Efficiency Volume Bragg gratings performances for spectrometry in space environment: Preliminary results
Loicq, Jerôme ULg; Georges, Marc ULg; Gaspar Venancio, Luis Miguel

in Telescope and systems (2012, July)

The special properties of Volume Bragg Gratings (VBGs) make them good candidates for spectrometry applications where high spectral resolution, low level of straylight and low polarisation sensitivity are ... [more ▼]

The special properties of Volume Bragg Gratings (VBGs) make them good candidates for spectrometry applications where high spectral resolution, low level of straylight and low polarisation sensitivity are required. Therefore it is of interest to assess the maturity and suitability of VBGs as enabling technology for future ESA missions with demanding requirements for spectrometry. The VBGs suitability for space application is being investigated in the frame of a project led by CSL and funded by the European Space Agency. The goal of this work is twofold: first the theoretical advantages and drawbacks of VBGs with respect to other technologies with identical functionalities are assessed, and second the performances of VBG samples in a representative space environment are experimentally evaluated. The performances of samples of two VBGs technologies, the Photo-Thermo-Refractive (PTR) glass and the DiChromated Gelatine (DCG), are assessed and compared in the H, O2-B and NIR bands. The tests are performed under vacuum condition combined with temperature cycling in the range of 200 K to 300K. A dedicated test bench experiment is designed to evaluate the impact of temperature on the spectral efficiency and to determine the optical wavefront error of the diffracted beam. Furthermore the diffraction efficiency degradation under gamma irradiation is assessed. Finally the straylight, the diffraction efficiency under conical incidence and the polarisation sensitivity is evaluated. [less ▲]

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See detailMALDI MSI for ovarian cancer biomarkers research: latest developments of the technology for screening and tracking.
Longuespée, Rémi ULg

in Histochemistry & Cell Biology (2012, July), 138(1), 141-54

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See detailMALDI MSI for ovarian cancer biomarkers research: latest developments of the technology for screening and tracking.
Longuespée, Rémi ULg

in Histochemistry & Cell Biology (2012, July), 138(1), 141-54

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See detailA bone remodelling model for long term orthodontic tooth movement.
Mengoni, Marlène ULg; D'Otreppe, Vinciane ULg; Ponthot, Jean-Philippe ULg

in Journal of Biomechanics (2012, July), 45(Supplement 1), 180

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See detailThe situation of gerontechnology in Belgium
Petermans, Jean ULg; LEJEUNE, CHRISTOPHE; GILLAIN, Daniel ULg

in GERONTECHNOLOGY (2012, June 26), 11(2), 269-270

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See detailInvestigation of sudden death of calves after epileptic seizures due to hypomagnesaemia and hyperparathyroidism
Chevalier, Marine ULg; Lebreton, Pascal; Garnier, Catherine et al

in Revista Portuguesa de Buiatria (2012, June), (Special Edition),

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See detailInvestigation of body condition score and insulin sensitivity (RQUICKY) in downer cow syndrome
Bonvoisin, Marie ULg; Rollin, Frédéric ULg; Lebreton, Pascal et al

in Revista Portuguesa de Buiatria (2012, June), (Special Edition),

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See detailSevere prevalent vertebral fractures predict subsequent vertebral and nonvertebral fractures: a 3-year prospective study
Bruyère, Olivier ULg; Roux, Christian; Nicolet, Delphine ULg et al

in Annals of the Rheumatic Diseases (2012, June), 71(Suppl.3), 588

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See detailRadiological and clinical profil of osteoarthritic patients undergoing of total joint replacement
Neuprez, Audrey ULg; François, Garance ULg; Bruyère, Olivier ULg et al

in Annals of the Rheumatic Diseases (2012, June), 71(Suppl.3), 693

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See detailChildren of lesbian parents: Research on family triadic interactions
Miscioscia, Marina ULg; Scarciotta, Lidia; D'Amore, Salvatore ULg et al

in Infant Mental Health Journal (2012, June), 33(3 Abstract Supplement), 26

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See detailPerception, knowledge and use by general practitioners of Belgium of the FRAX tool
Bruyère, Olivier ULg; Nicolet, Delphine ULg; Compère, Stéphanie et al

in Annals of the Rheumatic Diseases (2012, June), 71(Suppl.3), 716

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See detailGranulomatous meningo-encephalitis caused by Toxoplasma gondii in three bulls, a possible explanation for unexplained sporadic bovine meningo-encephalitis
Theron, Léonard ULg; Tabaran, F; Cassart, Dominique ULg et al

in Revista Portuguesa de Buiatria (2012, June), (Special Edition),

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See detailSeverity of incident vertebral fracture and future fracture risk: a 3-year prospective study
Bruyère, Olivier ULg; Roux, Christian; Nicolet, Delphine ULg et al

in Annals of the Rheumatic Diseases (2012, June), 71(Suppl.3), 716

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