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See detailEtude lithostratigraphique, biostratigraphique et sédimentologique du sondage de Lessines (bord méridional du Massif de Brabant, Belgique)
Herbosch, A.; Vanguestaine, M.; Degardin, J. M. et al

in Anales de la société géologique de belgique (1991), 114

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See detailPredictive value and rate of change of blood pressure throughout adolescence : a Belgian prospective study
Saint-Remy, Annie ULg; Rorive, Georges ULg

in Journal of Hypertension (1991), 9(suppl 6), 266-267

We performed a prospective study on the natural course of blood pressure throughout adolescence. The major goals were to assess the predictive value of a high blood pressure level at the age of 12 years ... [more ▼]

We performed a prospective study on the natural course of blood pressure throughout adolescence. The major goals were to assess the predictive value of a high blood pressure level at the age of 12 years and the feasibilty of developing a screening test for the early detection of young subjects at risk of developing chronic hypertension. By measuring the relationship between the initial level and subsequent changes in blood pressure, we looked for a phenomenon previously demonstrated in adults. [less ▲]

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See detailPour comprendre l'univers -- A. Delsemme, J. -C. Pecker et H. Reeves
Manfroid, Jean ULg

in Ciel et Terre (1991), 107

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See detailVirulence factors associated with cytotoxic necrotizing factor two in bovine diarrheic and septicemic strains of Escherichia coli.
Oswald, E.; De Rycke, J.; Lintermans, P. et al

in Journal of Clinical Microbiology (1991), 29

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See detailExercices in practical Astronomy using photographs: with solutions -- Mary Teresa Brück
Manfroid, Jean ULg

in Ciel et Terre (1991), 107

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See detailParticularités physiologiques et physiopathologiques de la fonction pulmonaire des bovins
Lekeux, Pierre ULg

in Point Vétérinaire (1991), 23(140), 793-799

This review détails the specific factors of respiratory function in cattle, the purpose being to understand cattle's great sensitivity te respiratory conditions, to be able to breed them for an optimal ... [more ▼]

This review détails the specific factors of respiratory function in cattle, the purpose being to understand cattle's great sensitivity te respiratory conditions, to be able to breed them for an optimal functioning of their respiratory metabolism, and to adapt the prevention of respiratory conditions to the physiological specificity of this species. For each main respiratory syndrome, the consequences on the vital functions, and particularly for the respiratory function, are analyzed (9 tables, 33 references). [less ▲]

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See detailThe Solar System -- T. Encrenaz, J. -P. Birbing et M. Blanc
Manfroid, Jean ULg

in Ciel et Terre (1991), 107

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See detailNasal salmon calcitonin in prevention of postmenopausal osteoporosis
Reginster, Jean-Yves ULg; DEROISY, Rita ULg; Sarlet, N et al

in Revista Clinica Espanola (1991), 188

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See detailWebb Society Deep-Sky Observer's Handbook, Volume 8, Variable Stars -- John E. Isles
Manfroid, Jean ULg

in Ciel et Terre (1991), 107

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See detailBlood pressure, the prevalence of cardiovascular diseases, and exposure to cadmium : a population study
Staessen, J.; Amery, A.; Bernard, A. et al

in American Journal of Epidemiology (1991), 134(3), 257-267

In a population study conducted from 1985 to 1989 in Belgium, the authors investigated whether exposure to cadmium is associated with blood pressure elevation and with an increased prevalence of ... [more ▼]

In a population study conducted from 1985 to 1989 in Belgium, the authors investigated whether exposure to cadmium is associated with blood pressure elevation and with an increased prevalence of cardiovascular diseases. The participants, aged 20-88 years, constituted a random sample of the households living in two low exposure areas (n = 803) and two high exposure areas (n = 1,283). For each exposure level, a rural and an urban district were selected. The cadmium levels in blood (8.5 vs. 11.0 nmol/liter) and urine (7.2 vs. 8.7 nmol/24 hours) were significantly (p less than 0.001) raised in the two high exposure areas compared with the two low exposure areas (p less than 0.001). Systolic pressure was similar in both rural areas, but in the urban area with high exposure systolic pressure was 5 mmHg (p less than 0.001) higher than in the control town. Diastolic pressure was similar in the four districts and the same was true for the prevalence of hypertension and of other cardiovascular diseases. Adjustment of systolic pressure for blood and urinary cadmium did not remove the difference in systolic pressure between both urban areas, suggesting that it was not related to the cadmium burden on the environment. Further analyses in individual subjects showed that neither blood pressure nor the presence of cardiovascular diseases were significantly and positively correlated with blood and urinary cadmium. Thus, the present population study did not confirm the hypothesis that increased exposure of the population to cadmium is associated with blood pressure elevation and with a higher prevalence of cardiovascular diseases. [less ▲]

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See detailCytokines et choc septique
Lamy, Maurice ULg; Damas, Pierre ULg

in Bulletin de l'Académie Royale de Médecine de Belgique (1991), 146(6-7), 270

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See detailDigestibilite ileale des acides amines de regimes monocereale-tourteau de soja chez le porc.
Leterme, Pascal; Thewis, André ULg; Thielemans, Marie France et al

in Revue de l’Agriculture = Landbouwtijdschrift (1991), 44(3), 423-432

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See detailMétabolisme et toxicité pulmonaires des pesticides chez les mammifères
Delaunois, A.; Gustin, Pascal ULg; Ansay, M.

in Annales de Médecine Vétérinaire (1991), 135

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See detailLa recherche en Brucellose entreprise par le CEB (1e partie)
Limet, J.; Oanh Vo, T. K.; Saegerman, Claude ULg et al

in Les élevages belges (1991)

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See detailComment utiliser les calcitonines dans l'ostéoporose ?
Reginster, Jean-Yves ULg

in Dialogue Omni-praticien (1991), 1233

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See detailVelogenetics or the synergistic use of Marker Assisted Selection and Germ-Line Manipulation
Georges, Michel ULg; Massey, J. M.

in Theriogenology (1991), 35(1), 151-156

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See detailLe financement des communautés et des régions dans la perspective du Fiscal Federalism
Jurion, Bernard ULg

in Revue du Centre d'Etude du Fédéralisme (1991)

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See detailMalitrah : une formation en alternance dans l'enseignement professionnel spécial de plain exercice : présentation d'un projet
Beckers, Jacqueline ULg

in Revue de la Direction Générale de l’Organisation des Etudes (1991), 2

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See detailDes nouveaux supports électroniques. Pour qui ? pour quoi ?
Denooz, Joseph ULg

in Revue. Informatique et Statistique dans les Sciences Humaines (1991), 27

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See detailQuestion sociale et politique pontificale. L'itinéraire d'un démocrate chrétien: Antoine Pottier (1849-1923)
Jadoulle, Jean-Louis ULg

in Revue belge de philologie et d'histoire (1991), t. LXIX(n°2), 300-321

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See detailLa séance d'éducation physique avec medecine ball
Vanderthommen, Marc ULg

in Revue de l'Education Physique (1991), 31(3), 127-132

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See detailA Note On The Comparison Of Methods For Estimating The Ileal Digestibility Of Amino-Acids In Pigs
Leterme, Pascal; Pirard, L.; Thewis, André ULg

in Animal Production (1991), 52(1), 404-406

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See detailQuantitative mineralogical analysis of Cobalt and Copper distribution in historical slags from Küre (Turkey)
Pirard, Eric ULg

in Canadian Mining and Metallurgical Bulletin (The) (1991), 84(946), 87-91

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See detailImpact de la pollution atmosphérique sur le système respiratoire. I : l’ammoniac
Gustin, Pascal ULg; Urbain, B.; Ansay, M. et al

in Annales de Médecine Vétérinaire (1991), 135

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See detailQuelles alternatives aux oestrogènes pour la prévention de l'ostéoporose post-ménopausique ?
Reginster, Jean-Yves ULg

in Lettre du Rhumatologue (La) (1991), 170

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See detailImportance de l'axe hypophyso-hepatique dans le regulation hormonale de la croissance chez le bovin.
Renaville, Robert ULg; Portetelle, Daniel ULg; Sneyers, M. et al

in Bulletin des Recherches Agronomiques de Gembloux (1991), 26(2),

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See detailCompte-rendu de M. Broze : La princesse de Bakhtan
Winand, Jean ULg

in Bibliotheca Orientalis (1991), 48

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See detailLe triticale en alimentation animale. Les ruminants.
Thewis, André ULg; Leterme, Pascal

in Revue de l’Agriculture = Landbouwtijdschrift (1991), 44(4), 707-716

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See detailLe décor des bâtons percés
Noiret, Pierre ULg

in Préhistoire ariégeoise - Bulletin de la Société préhistorique Ariège-Pyrénées (1991), XLVI

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See detailBelgian GIS Survey
Donnay, Jean-Paul ULg

in International GIS Sourcebook (1991), 1991-1992

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See detailFouilles paléolithiques en Belgique méridionale (été 1992)
Noiret, Pierre ULg; Straus, Lawrence; Otte, Marcel ULg

in Vie archéologique (1991), 37

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See detailLarge-scale eradication of rabies using recombinant vaccinia-rabies vaccine
Brochier, Bernard; Kieny, M. P.; Costy, F. et al

in Nature (1991), 354(19/26 December), 520-521

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See detailEstudio morfométrico del Aspergillus en lesiones humanas
Arrese Estrada, Jorge ULg; Rurangirwa, A.; Nikkels, Arjen ULg et al

in Revista Iberoamericana de Micología (1991), 8

The morphology of Aspergillus hyphae in diffuse pulmonary aspergillosis were studied by computarized image analysis. We considered as parameters the angles of the mycelia. These data were constrasted ... [more ▼]

The morphology of Aspergillus hyphae in diffuse pulmonary aspergillosis were studied by computarized image analysis. We considered as parameters the angles of the mycelia. These data were constrasted, with similar morphometric evaluations of Pseudalleschria boydii in invasive pulmonary pseudallescheriasis. A significant difference was found between the degrees of branching angles in these two fungi. Conversely, there was no significant difference between the total surface areas covered by the two fungi. The above data suggest a potential interest of morphometry in mycology. [less ▲]

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See detailA partial wetting model of aerobic tricklin filters
Crine, Michel ULg; Schlitz, Marc; Vandevenne, L.

in Chemical Engineering (1991), 46

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See detailProduction et utilisation du colza en Belgique.
Cartrysse, C.; Cors, F.; Wathelet, Jean-Paul ULg

in GCIRC Bulletin (1991)

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See detailSociabilités, aides intrafamiliales et pauvreté
Born, Michel ULg

in PSELL (1991)

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See detailModélisation des mouvements aérodynamiques générés par le chauffage en culture protégée.
Aubinet, Marc ULg; Deltour, Jules; Nijskens, J.

in Bulletin des Recherches Agronomiques de Gembloux (1991), 26(1), 39-58

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See detailFrom ethnobotanical uses of Strychnos henningsii to antiinflammatories, analgesics and antispasmodics
Tits, Monique ULg; Damas, Jacques ULg; Quetin-Leclercq, Joëlle et al

in Journal of Ethnopharmacology (1991), 34

Strychnos henningsii GILG is used in African traditional medicine for the treatment of various ailments, including rheumatism, gastrointestinal complaints, malaria and snake bites. Different preliminary ... [more ▼]

Strychnos henningsii GILG is used in African traditional medicine for the treatment of various ailments, including rheumatism, gastrointestinal complaints, malaria and snake bites. Different preliminary pharmacological experiments are described. The results show that some of the reported folk medicinal applications of S. henningsii can be at least partially explained by the presence of retuline-like alkaloids, whose use could lead to new antinociceptive (antiinflammatory and analgesic) and antispasmodic drugs. [less ▲]

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See detailBlunted erythropoietin production and decreased erythropoiesis in early pregnancy.
Beguin, Yves ULg; Lipscei, G.; Thoumsin, H. et al

in Blood (1991), 78(1), 89-93

After decreasing in the first trimester of pregnancy, the total red blood cell mass increases in the second and third trimesters to peak at term at about 120% to 125% of nonpregnant values, but how this ... [more ▼]

After decreasing in the first trimester of pregnancy, the total red blood cell mass increases in the second and third trimesters to peak at term at about 120% to 125% of nonpregnant values, but how this is brought about by changes in the rate of erythropoiesis is not known. We evaluated erythropoiesis by measuring serum transferrin receptor (TfR) levels in 406 women during normal pregnancy (N = 317), at delivery (N = 63), or in the early postpartum (N = 27). Despite the presence of the placenta and the frequent occurrence of iron deficiency, TfR levels remained low in the first two trimesters and increased in the third trimester and at delivery. To explain why erythropoiesic activity was relatively low in early pregnancy, we also measured serum immunoreactive erythropoietin (Epo) in relation to the degree of anemia. There was a very strong correlation between serum TfR and Epo levels in the entire group (r = .59, P less than .0001) as well as in each period of pregnancy. Epo levels remained low for the degree of anemia and did not correlate with hematocrit in the first two trimesters, but recovered afterwards. In the early postpartum, Epo production and erythropoiesis were normal. We conclude that: (1) erythropoiesis is decreased in the first part of pregnancy but increases afterwards; and (2) blunted Epo production in early pregnancy could be responsible for that observation. [less ▲]

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See detailDecrease of frontal metabolism demonstrated by positron emission tomography in a population of healthy elderly volunteers.
Salmon, Eric ULg; Maquet, Pierre ULg; Sadzot, Bernard ULg et al

in Acta Neurologica Belgica (1991), 91(5), 288-95

Frontal metabolism measured with positron emission tomography is shown to be decreased relatively to that in other cortical or sub-cortical areas, in a population of healthy elderly compared to young ... [more ▼]

Frontal metabolism measured with positron emission tomography is shown to be decreased relatively to that in other cortical or sub-cortical areas, in a population of healthy elderly compared to young volunteers. Cortical atrophy or neuronal depopulation are unlikely to entirely explain this physiological phenomenon, and sub-cortico-cortical deactivation should play a role, analogous to that proposed in subcortical diseases. [less ▲]

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See detailUptake kinetic of medium constituants during batch growth of patatoe cell cultures.
Gerard, J.; Antoine, P.; Lepoivre, Philippe ULg et al

in Biotechnology Letters (1991), 13(5), 381-384

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See detailUse of Peep in Management of Life-Threatening Status Asthmaticus: A Method for the Recovery of Appropriate Ventilation-Perfusion Ratio
Broux, R.; Foidart, G.; Mendes, P. et al

in Applied Cardiopulmonary Pathophysiology [=ACP] (1991), 4(1), 79-83

In 15 patients with asthma attack, evidence of the uneven distribution of air flow during controlled ventilation was obtained by detection of ventilatory asynchronism expressed by the incurvated profile ... [more ▼]

In 15 patients with asthma attack, evidence of the uneven distribution of air flow during controlled ventilation was obtained by detection of ventilatory asynchronism expressed by the incurvated profile of tracheal pressure waves associated with the repetitive interruptions of air flow. It was observed that low values of PEEP (mean: 5 +/- 2.5 cm H 2O) induced an increase in transbronchial pressure able to overcome ventilatory asynchronism. In these conditions, an appropriate ventilation-perfusion ratio was restored and improved gas exchanges as indicated by the mean increase of arterial PO 2 from 66.3 mmHg (+/- 2.57) to 96.89 mmHg (+/- 4.41) (p = 0.0005) associated with a mean decrease in arterial PCO 2 from 53.66 mmHg (+/- 2.71) to 42.07 mmHg (+/- 1.64) (p = 0.0005). Simultaneously hemoglobin oxygen saturation rose from 82.31% (+/- 1.97%) to 95.74% (+/- 0.5%). In our patients, such values of PEEP were not high enough to influence the pulmonary arterial circulation. The means of the pulmonary arterial pressures obtained before (syst.: 32.3; diast.: 15.1; mean: 22.00 mmHg) were quite the same (p greater than 0.2) as with PEEP (syst.: 32.00; diast.: 14.00; mean: 21.1 mmHg). The mean of the wedge pressure was found to be 8.3 (+/- 74 mmHg) prior to and 8.4 (+/- 0.68 mmHg) after PEEP (p greater than 0.3). Mean cardiac output rose slightly from 5.27 l/min (+/- 0.24) to 5.77 l/min (+/- 0.38) during PEEP (p = 0.01).(ABSTRACT TRUNCATED AT 250 WORDS) [less ▲]

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See detailChoice of sedation according to ventilatory mode
Lamy, Maurice ULg; Damas, Pierre ULg; Joris, Jean ULg

in Journal of drug development (1991), 4(Suppl 3), 77-81

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See detailConformational analysis of beta and gamma lactam antibiotics
Lamotte, Josette ULg; Dive, Georges ULg; Ghuysen, Jean-Marie ULg

in European Journal of Medicinal Chemistry (1991), 26(1), 43-50

Geometry optimization, superimposition searches and conformational analysis carried on several lactam antibiotics show that reactivity with the active-site serine penicillin-binding proteins is related to ... [more ▼]

Geometry optimization, superimposition searches and conformational analysis carried on several lactam antibiotics show that reactivity with the active-site serine penicillin-binding proteins is related to a particular spatial disposition of 2 flanking functional groups - namely a C = O or C-OH on 1 side and a carboxylate on the other - with respect to the central scissile amide bond. Such a binding entity is found in one of the most stable conformers of the tripeptide diacetyl-L-Lys-D-Ala-D-Ala conferring substrate activity, and in benzylpenicillin, cephapyrin, thienamycin, gamma-lactam, the 6-spiro-epoxypenicillin S and in one epimer of lactivicin, conferring inactivating potency. This binding entity generates a particular electronic distribution and the fact that it is conserved in compounds belonging to very different chemical families strongly suggests that it is an important feature required for enzyme recognition. [less ▲]

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See detailBioconversion of a L-Carnitin Precursor in a One- or Two-Phase System
Bare, Ghislain; Jacques, Philippe; Hubert, Jean-Benoit et al

in Applied Biochemistry and Biotechnology (1991), 28-29(Spring), 445-56

The ability of the yeast Saccharomyces cerevisiae to bioconvert stereo-selectively octyl-4-chloroacetoacetate (OCA) into the corresponding chiral alcohol, precursor of L-carnitin, an important ... [more ▼]

The ability of the yeast Saccharomyces cerevisiae to bioconvert stereo-selectively octyl-4-chloroacetoacetate (OCA) into the corresponding chiral alcohol, precursor of L-carnitin, an important physiological agent, was investigated. In a monophasic system with free cells, more than 90% of OCA (0.018 M) bioconversion have been reached after 6 h (enantiomeric excess for the R form, eeR:97%). Immobilized cells in alginate beads were less efficient in conversion of OCA than free cells. In a two-phase system with free cells, the level of reduction of OCA (0.018 M) reached 85% after 48 h. With a medium containing a higher OCA concentration (0.270 M), 41% of this product were bioconverted after the same period. On the other hand, immobilized cells did not show any significant bioconversion of OCA in two-phase reactors. The limiting factor of these reactors in the regeneration of the cofactors involved in the OCA reduction. [less ▲]

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See detailSiderophores production and Enhancement by optimization of culture conditions and transposon-mutagenesis of a fluorescent Pseudomonas.
Delfosse, Ph; Jacques, Ph; Moussaif, M. et al

in Archives Internationales de Physiologie et de Biochimie (1991), 99(B55),

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See detailcompte rendu de : G. Ballaira, Prisciano e i suoi amici
Rochette, Bruno ULg

in Scriptorium. Bulletin codicologique (1991)

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See detailDes zones industrielles aux parcs scientifiques, technologiques et d'affaires. Trente ans de mutations des sites d'entreprises
Merenne-Schoumaker, Bernadette ULg

in Hommes et Terres du Nord (1991), 1991(2-3), 152-157

Thirty years of enterprise sites' mutations This article's object tries to study the enterprise sites' evolution since thirty years. With this aim in view, it confronts the sixty years sites (the ... [more ▼]

Thirty years of enterprise sites' mutations This article's object tries to study the enterprise sites' evolution since thirty years. With this aim in view, it confronts the sixty years sites (the industrial estates) and the to-day sites (the science, technological and business parks). It also analyses the impact of this evolution on the locations. The collected data show the growing importance of zonings and the weight of the enterprises' real estate. So locations of economic activities (new or transfered) are more and more influenced by the property developers' offer strategy (public and private sectors). If the first result of this evolution is to increase the spatial disparities (on regional and local levels), such an evolution also questions a certain classic literature where the demand's strategy explained the locations. [less ▲]

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See detailCorrelation of phasic muscle strength and corticomotoneuron conduction time in multiple sclerosis.
van der Kamp, W.; MAERTENS DE NOORDHOUT, Alain ULg; Thompson, P. D. et al

in Annals of Neurology (1991), 29(1), 6-12

Central motor conduction times for the adductor pollicis muscle, the twitch force of that muscle to scalp magnetic motor cortex stimulation, and the maximum force of phasic voluntary contraction of the ... [more ▼]

Central motor conduction times for the adductor pollicis muscle, the twitch force of that muscle to scalp magnetic motor cortex stimulation, and the maximum force of phasic voluntary contraction of the same muscle were measured in 15 patients with multiple sclerosis. Two tests of manual dexterity of the same hand also were studied: the Purdue pegboard test, and the maximal frequency of a scissors movement of the thumb and index finger. The patients had normal strength or minimal weakness of the intrinsic muscles of the hand on clinical examination. The mean central motor conduction times for the adductor pollicis muscle for the patients were longer than normal, the peak twitch force of the adductor pollicis muscle evoked by cortical stimulation and the maximum force of a phasic voluntary contraction of the adductor pollicis muscle were smaller than normal. There were strong correlations between all these measures. Central motor conduction time in the patients was inversely correlated with voluntary phasic force and the twitch force after cortical stimulation. That is, the longer the central motor conduction time, the weaker the force. Prolonged central motor conduction time is likely to be accompanied by conduction block in corticomotoneuron pathways. The correlation of central motor conduction time with voluntary phasic force and the twitch force most likely reflects the degree of conduction block and temporal dispersion rather than delay in conduction per se. These results indicate that objective assessments of phasic muscle strength may reveal correlations with central motor conduction time that are not evident on conventional clinical examination which assesses tonic muscle contraction strength.(ABSTRACT TRUNCATED AT 250 WORDS) [less ▲]

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See detailDermal Dendrocytes and Photochemotherapy
Pierard, Gérald ULg; Nikkels, Arjen ULg; Arrese Estrada, Jorge ULg et al

in Virchows Archiv. A : Pathological Anatomy and Histopathology (1991), 418(4), 311-314

We studied the fate of dermal dendrocytes in patients treated with psoralens and ultraviolet light by combining immunohistochemistry and computerized image analysis. Factor-XIIIa-positive dermal ... [more ▼]

We studied the fate of dermal dendrocytes in patients treated with psoralens and ultraviolet light by combining immunohistochemistry and computerized image analysis. Factor-XIIIa-positive dermal dendrocytes were found to be altered in these patients. When compared with controls, dermal dendrocytes were often increased in number and had an uneven size and tissue distribution. Their cytoplasm was occasionally fragmented. These changes were more pronounced when early photosclerosis was present. The alterations described probably reflect vascular changes, and may be responsible for immunomodulating actions and disorder of the connective tissue structure induced by ultraviolet light. [less ▲]

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See detailSolubilization of Thiamine Triphosphatase from the Electric Organ of Electrophorus Electricus
Bettendorff, Lucien ULg; Longree, Isabelle; Wins, Pierre et al

in Biochimica et Biophysica Acta - General Subjects (1991), 1073(1), 69-76

The membrane-associated, anion-regulated thiamine triphosphatase from Electrophorus electricus electric organ can be solubilized by various neutral detergents. Polyoxyethylene ethers are the most ... [more ▼]

The membrane-associated, anion-regulated thiamine triphosphatase from Electrophorus electricus electric organ can be solubilized by various neutral detergents. Polyoxyethylene ethers are the most effective. Anionic detergents readily inactivate the enzyme. A 6.4-fold increase in specific activity is obtained by successive treatment of crude membranes with octanoyl-N-methylglucamide, which solubilized other proteins, and Lubrol-PX with releases 60% of the thiamine triphosphatase (TTPase) activity. Solubilization by Lubrol-PX rapidly modifies kinetic parameters. The Km, Vmax and pH optimum are decreased. However, the solubilized TTPase may be kept at 0 degrees C for many hours without further change in specific activity. At 35 degrees C, the half-life is still 83 min at pH 5.0, but denaturation becomes rapid at pH greater than or equal to 7. Solubilization modifies anion effects on TTPase activity. The activating effect of nitrate is nearly lost, while inhibition by sulfate is no longer time-dependent. [less ▲]

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See detailSEARCH FOR PARVALBUMIN IN CARDIAC-MUSCLE OF NORMAL AND HEMOGLOBIN-MYOGLOBIN FREE ANTARCTIC FISH
Laforet, C.; Feller, Georges ULg; Gerday, Colette ULg

in Journal of Muscle Research and Cell Motility (1991), 12(1), 115-116

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See detail«Forme dell'identità cavalleresca».
Moreno, Paola ULg

in Medioevo Romanzo (1991)

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See detailAbcès thyroïdien a streptocoque pneumoniae associé à un goitre nodulaire toxique. A propos d'un cas
Panas, N.; Zgheib, A.; Desaive, Claude ULg et al

in Semaine des Hôpitaux de Paris (La) (1991), 34

An unusual case of acute suppurative thyroiditis in association with toxic nodular goiter is reported by the authors. Surgical therapy was necessary due to the severity of the local and systemic ... [more ▼]

An unusual case of acute suppurative thyroiditis in association with toxic nodular goiter is reported by the authors. Surgical therapy was necessary due to the severity of the local and systemic inflammation induced by this association. [less ▲]

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See detailDe Grady suffragant. Dialogue rimé et chanson publiés à Liège en 1762
Boutier, Marie-Guy ULg

in Dialectes de Wallonie (1991), 19/20

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See detailGeneration of bovine multisite haplotypes using random cosmids
Steele, M.; Georges, Michel ULg

in Genomics (1991), 10

One hundred ten random cosmids were used to probe Southern blots of DNA from nine unrelated cattle digested with 12 restriction enzymes. Although only one-third of the expected fragments were explored, 85 ... [more ▼]

One hundred ten random cosmids were used to probe Southern blots of DNA from nine unrelated cattle digested with 12 restriction enzymes. Although only one-third of the expected fragments were explored, 85% of the cosmids revealed at least one polymorphism. The mean heterozygosity of the generated haplotypes was estimated at 51.9%. A surprisingly high proportion of polymorphisms (approximately 25%) was attributed to insertion-deletion events, compensating for the lower level of nucleotide diversity observed in cattle (pi approximately 0.0007) compared to that in human. The mutation rate at cytosines in the CpG dinucleotide was estimated approximately 10 times higher than that at other nucleotides. When used in linkage studies, the generated markers should cover approximately 50% of the bovine genome. [less ▲]

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See detailAllergic cross-reaction of teicoplanin and vancomycin
Grek, V.; Andrien, F.; Collignon, J. et al

in Journal of Antimicrobial Chemotherapy (1991), 28

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See detailComparaison de techniques de calcul des équations de calibrage en analyse des protéines du blé par spectrophotométrie de réflexion dans le proche infrarouge
Dagnelie, P.; Dardenne, P.; Palm, Rodolphe ULg et al

in Bulletin des Recherches Agronomiques de Gembloux (1991), 26(3), 323-336

Dans le cas des protéines du blé tendre, on étudie l'incidence, sur la qualité des équations de calibrage, des transformations appliquées aux spectres bruts (lissage par calcul des moyennes mobiles ... [more ▼]

Dans le cas des protéines du blé tendre, on étudie l'incidence, sur la qualité des équations de calibrage, des transformations appliquées aux spectres bruts (lissage par calcul des moyennes mobiles, dérivées premières, dérivées secondes et calcul des coefficients de FOURIER) et des procédures de réduction préliminaire du nombre de longueurs d'onde prises en considération (choix systématique et choix basé sur la corrélation entre réponses aux longueurs d'onde voisines). [less ▲]

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See detailYohimbine can induce ethanol tolerance in an in vitro preparation of rat locus coeruleus.
Verbanck, P.; Seutin, Vincent ULg; Massotte, Laurent ULg et al

in Alcoholism, Clinical & Experimental Research (1991), 15(6), 1036-9

Noradrenergic neurons have been implicated in the development of ethanol dependence and tolerance. Moreover, the development of an hyposensitivity of alpha 2 adrenoceptors has been postulated during long ... [more ▼]

Noradrenergic neurons have been implicated in the development of ethanol dependence and tolerance. Moreover, the development of an hyposensitivity of alpha 2 adrenoceptors has been postulated during long-term exposition to ethanol. In order to test the putative role of alpha 2 receptors in ethanol intoxication, we have studied the interaction between ethanol and yohimbine, an alpha 2 antagonist, on the spontaneous firing rate of rat locus coeruleus (LC) in an in vitro slice model. The spikes from single neurons were recorded by glass microelectrodes. Ethanol at 100 mM, a concentration that parallels the behavioral effects in the human and in the animals, inhibits the firing activity of some LC cells. This inhibition was quickly reversed after stopping the ethanol perfusion and was observed for each further administration. However, if yohimbine (20 microM) was simultaneously perfused, the ethanol-induced inhibition was rapidly antagonized. This effect is reversible after long time washout of yohimbine. This suggests that alpha 2 adrenoceptors could be implicated in the inhibitory effect of ethanol on LC noradrenergic neurons and perhaps in the development of tolerance. However, other hypotheses are discussed, because yohimbine can also antagonize other types of receptors. [less ▲]

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See detailCompte-rendu de l'ouvrage de D.Desjeux, I.Orhant et S.Taponier, "L'édition en sceinces humaines'
Robert, Jocelyne ULg

in Revue de l'Institut de Sociologie (1991)

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See detailLa maison de repos, une entreprise de services
Jurion, Bernard ULg

in Association des Directeurs de Maisons de Repos de la Communauté Française (1991), 8

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See detailLe serment de Paneb et de son fils (P Salt 124, V° 1,5-8)
Winand, Jean ULg

in Bulletin de la Société Égyptologique de Genève (1991), 15

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See detailThe amino acid (157-197) peptide segment of bovine leukemia virus p34tax encompass a leucine-rich globally neutral activation domain.
Willems, Luc ULg; Kettmann, Richard ULg; Burny, A.

in Oncogene (1991), 6(1), 159-63

The specific DNA-binding Gal4 amino-terminal portion (amino acids 1 to 147) was fused to protein segments of BLV transactivator p34tax and tested for its capacity to activate CAT-gene expression in ... [more ▼]

The specific DNA-binding Gal4 amino-terminal portion (amino acids 1 to 147) was fused to protein segments of BLV transactivator p34tax and tested for its capacity to activate CAT-gene expression in mammalian cells. The p34tax peptide segment 157 to 197 encompasses an activating region. The segment is approximately located in the middle of p34tax and is globally neutral (net charge zero). The tax (157-197) domain contains 24% of leucine residues, possibly involved in heterologous protein interactions. [less ▲]

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See detailAdult respiratory distress syndrome: local or systemic disease
Deby, Ginette ULg; Lamy, Maurice ULg; Deby, C. et al

in Critical Care (1991), 4(1), 57-83

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See detailLa dendrochronologie au service de la datation des monuments
Hoffsummer, Patrick ULg

in Bulletin de la Fondation Vanhove-Vonneche (1991), 3

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See detailLes applications informatiques des années 90 et leurs implications sur les réseaux de communication
Leduc, Guy ULg

in Bulletin Scientifique de l'Association des Ingénieurs Electriciens sortis de l'Institut Electrotechnique Montefiore (1991), 2

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See detailDecision Trees and Transient Stability of Electric Power Systems
Wehenkel, Louis ULg; Pavella, Mania ULg

in Automatica (1991), 27(1), 115-134

An inductive inference method for the automatic building of decision trees is investigated. Among its various tasks, the splitting and the stop splitting criteria successively applied to the nodes of a ... [more ▼]

An inductive inference method for the automatic building of decision trees is investigated. Among its various tasks, the splitting and the stop splitting criteria successively applied to the nodes of a grown tree, are found to play a crucial role on its overall shape and performances. The application of this general method to transient stability is systematically explored. Parameters related to the stop splitting criterion, to the learning set and to the tree classes are thus considered, and their influence on the tree features is scrutinized. Evaluation criteria appropriate to assess accuracy are also compared. Various tradeoffs are further examined, such as complexity vs number of classes, or misclassification rate vs type of misclassification errors. Possible uses of the trees are also envisaged. Computational issues relating to the building and the use of trees are finally discussed. [less ▲]

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See detailTypicality in categorization, recognition and identification : evidence from face recognition
Valentine, Tim; Ferrara, André ULg

in British Journal of Psychology (1991), 82

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See detailGenomic Diversity among Bovine Herpesvirus 4 Field Isolates
Bublot, M.; Wellemans, G.; Van Bressem, M. F. et al

in Archives of Virology (1991), 116(1-4), 1-18

Twenty-eight Belgian field isolates of bovine herpesvirus 4 (BHV-4) coming from a variety of clinical diseases have been studied by restriction analysis and Southern blot hybridization. The unique central ... [more ▼]

Twenty-eight Belgian field isolates of bovine herpesvirus 4 (BHV-4) coming from a variety of clinical diseases have been studied by restriction analysis and Southern blot hybridization. The unique central part of the genome was very well conserved among strains; only one variation in a restriction site was detected in 3 isolates which contain an additional EcoRI site also present in the LVR 140 strain; three regions in the unique part of the genome varied in size, one of these was highly variable. The polyrepetitive fragments (prDNAs) situated in tandem at both genomic ends were also variable in size; most of the isolates exhibited prDNA units of one size (major prDNA) and some of them also contained prDNA units having a different size and present in a lower amount (minor prDNA) than the major prDNA. Other isolates possessed two major prDNAs of different sizes which were both present in the same genome. The left junction fragment between the unique and the repeated sequences was also highly variable. No relationship could be established between the restriction pattern and the origin of the isolates; patterns of isolates coming from the same herd were similar except in one case. This study provides a view of the genome variability existing between BHV-4 field isolates. [less ▲]

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See detailThe high affinity murine laminin receptor is a member of a multicopy gene family.
Fernandez, M. T.; Castronovo, Vincenzo ULg; Rao, C. N. et al

in Biochemical and Biophysical Research Communications (1991), 175(1), 84-90

The high affinity laminin receptor is differentially expressed in metastasis. We now report that there are multiple copies (6 +/- 1) of the laminin receptor gene in the murine genome of normal diploid ... [more ▼]

The high affinity laminin receptor is differentially expressed in metastasis. We now report that there are multiple copies (6 +/- 1) of the laminin receptor gene in the murine genome of normal diploid cells as well as in cell lines derived from cancer cells. We have analyzed three distinct cDNA clones isolated from an Okayama-Berg cDNA library of transformed mouse fibroblasts that may represent transcripts of three different laminin receptor genes. Polymorphic changes include insertion of bases at the 5' terminus, a base substitution within the coding region resulting in an amino acid change from phenylalanine to leucine, a base substitution obliterating a polyadenylation signal, as well as changes in the length of the 3' untranslated domains. The discovery of multiple transcripts of laminin receptor genes suggests that there is a strong selective pressure to maintain laminin receptor expression in murine cells. [less ▲]

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See detailOn the characterization of some terpenes from Renealmia alpinia Rott. (Maas) oleoresin.
Lognay, Georges ULg; Marlier, M.; Severin, M. et al

in Flavour and Fragrance Journal (1991), 6(1),

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See detailPour un roman sans manifeste
Demoulin, Laurent ULg

in Ecritures (1991), 1

Description des nouvelles tendances du roman écrit en français.

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See detailMaladie de Crohn : de l'immunopathologie aux perspectives thérapeutiques
Louis, Edouard ULg; Belaiche, Jacques ULg

in Médecine et Hygiène (1991), 49

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See detailArrest of MCF-7 cell migration by laminin in vitro: possible mechanisms.
Coopman, P.; Verhasselt, B.; Bracke, M. et al

in Clinical & Experimental Metastasis (1991), 9(5), 469-84

Laminin, a major basement membrane component, arrested the migration of MCF-7/AZ human breast adenocarcinoma cells that were not invasive in vitro. Migration of invasive MCF-7/6 cells was not affected by ... [more ▼]

Laminin, a major basement membrane component, arrested the migration of MCF-7/AZ human breast adenocarcinoma cells that were not invasive in vitro. Migration of invasive MCF-7/6 cells was not affected by laminin. Both cell types expressed the 67 kD laminin receptor, at both mRNA and protein level, but did not express the alpha 6 subunit of the VLA-6 integrin-type laminin receptor. The presence of YIGSR peptides (100 micrograms/ml), reported to block the interaction between laminin and its 67 kD receptor, did not change the migratory response of MCF-7/AZ or MCF-7/6 cells when meeting laminin lanes. In addition, the migration of these cell types was not affected by the presence of 17-beta-estradiol (10(-6) M) or all-trans retinoic acid (10(-6) M), which were both reported to increase the number of 67 kD receptors. We could therefore not assign an involvement of the 67 kD receptors in migration of MCF-7 cells on laminin, nor did we find evidence that conditioned medium of MCF-7/6 cells contains factors that are able to initiate migration of MCF-7/AZ cells on laminin. [less ▲]

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See detailA Monoclonal Elisa for Bovine Viral Diarrhoea Pestivirus Antigen Detection in Persistently Infected Cattle
Mignon, Bernard ULg; Dubuisson, J.; Baranowski, E. et al

in Journal of Virological Methods (1991), 35(2), 177-188

Detection of cattle persistently infected with bovine viral diarrhoea virus (BVDV) is crucial to controlling mucosal disease. A sandwich enzyme-linked immunosorbent assay (ELISA) using monoclonal ... [more ▼]

Detection of cattle persistently infected with bovine viral diarrhoea virus (BVDV) is crucial to controlling mucosal disease. A sandwich enzyme-linked immunosorbent assay (ELISA) using monoclonal antibodies raised against the 48-kDa glycoprotein and the 120/80-kDa protein was developed for detecting antigens in leucocytes of 3 persistently BVDV-infected calves. The test is simple, sensitive and rapid. Moreover the same ELISA was able to recognise Belgian field isolates of BVDV. These results show that the test can be applied in the field. [less ▲]

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See detailDe la raison à l'imaginaire:méthode et recherche de sens
Robert, Jocelyne ULg

in Revue de l'Institut de Sociologie (1991)

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See detailOntogeny of radial and other astroglial cells in murine cerebral cortex
Misson, Jean-Paul ULg; Takahashi, Takao; Caviness, V. S.

in Glia (1991), 4

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See detailMORPHOLOGICAL AND GENETIC CRITERIA IN THE TAXONOMY OF CYANOPHYTA CYANOBACTERIA
Wilmotte, Annick ULg; Golubic, Stjepko

in Archiv für Hydrobiologie (1991), 92

Molecular techniques have introduced new approaches to the phylogeny and taxonomy of Cyanophyta/Cyanobacteria. One method, the sequencing of the 16S ribosomal RNA, has been applied to 29 cyanophyte ... [more ▼]

Molecular techniques have introduced new approaches to the phylogeny and taxonomy of Cyanophyta/Cyanobacteria. One method, the sequencing of the 16S ribosomal RNA, has been applied to 29 cyanophyte strains and produced interesting results (TOMIOKA & SUGIURA 1983, GIOVANNONI et al. 1988). Integration of this new, taxonomically useful information with the results of the classical morphological analyses traditionally used in the taxonomy of cyanophytes is the subject of this paper. Advantages and limitations of different approaches are discussed, and conflicts as well as consensus between morphological properties of the strains under study, and their position in the phylogenetic tree of GIOVANNONI et al. (1988) are reviewed. [less ▲]

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See detailPerspektivak a szarvasmarhak légzoszervi megbetegedéseinek gyogykezelésében
Lekeux, Pierre ULg

in Magyar Allatorvosok Lapja = Hungarian Veterinary Journal (1991), 46

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See detailCardiac Transplantation in Patients Older Than 55 Years
Defraigne, Jean-Olivier ULg; Demoulin, J.C.; VAN DAMME, Hendrik ULg et al

in Acta Chirurgica Belgica (1991), 91(1), 38-42

From 1985 to 1990, 27 patients older than 55 years (extremes 55-65 years; 21 men and 6 women) received a cardiac transplant. The cause of cardiopathy was ischemic in 70%. Postoperative immunosuppressive ... [more ▼]

From 1985 to 1990, 27 patients older than 55 years (extremes 55-65 years; 21 men and 6 women) received a cardiac transplant. The cause of cardiopathy was ischemic in 70%. Postoperative immunosuppressive therapy consisted of Cyclosporin A, steroids, azathioprine and antilymphocytic serum. Rejection episodes were monitored by endomyocardial biopsies and treated by pulses of steroids or monoclonal antibodies (OKT3). The operative mortality is 7.4% (n = 2). The one and two year survivals are 71% and 62% respectively. The incidence of infection and/or rejection were 0.71 +/- 0.4 and 1.4 +/- 0.7 episodes/patient year. Age beyond 55 years does not contraindicate heart transplantation. This change in recipient selection policy should lead to parallel changes in donor selection criteria. [less ▲]

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See detailScale economies and performances in the French Insurance Industry
Fecher-Bourgeois, Fabienne ULg; Kessler, D.; Pestieau, Pierre ULg et al

in Geneva Papers on Risk & Insurance - Issues & Practice (1991), (60),

The purpose of this paper is to provide for both life and non life insurance a measurement of economies of scale and an assessment of productive performance of French companies. We use a translog cost ... [more ▼]

The purpose of this paper is to provide for both life and non life insurance a measurement of economies of scale and an assessment of productive performance of French companies. We use a translog cost function to check the presence of scale economies and a parametric approach to construct our yardstick of productive efficiency. Our panel data covers 84 life and 243 non life companies for the period 1984–89. The main findings indicate both the existence of increasing returns to scale and a wide dispersion in the rates of inefficiency across companies. Those two results are shown to be closely linked to a number of characteristics of the companies studied, particularly their institutional form. [less ▲]

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See detailC.R. de J. CASTAÑO-RUIZ, El atuendo en la obra de Frederi Mistral
Henrard, Nadine ULg

in Revue Belge de Philologie et d'Histoire (1991), 69

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See detailApport de l'endocrinologie en sélection laitière bovine
Renaville, Robert ULg; Massart, Serge; Shojae, Djalil et al

in Bulletin d'information des Ressources Génétiques animales (1991), 8

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See detailObservations on seed protein electrophoretic patterns of some species within the genus Phaseolus.
Baudoin, Jean-Pierre ULg; Schmit, V.; Wathelet, Bernard ULg

in Annual Report of the Bean Improvment Cooperative (1991), 34

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See detailLove in a Post-Cultural Ditch: Janet Frame
Delrez, Marc ULg

in Kunapipi : Journal of Postcolonial Writing (1991), XIII(3), 108-116

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See detailL'examen cytogénétique en onco-hématologie : son importance dans la stratégie thérapeutique
Collignon, J.; Laurent, C.; Rombout, S. et al

in Médecine et Hygiène (1991), 49

The findings that chromosomal aberrations are specifically associated with a considerable number of tumors and particularly leukemia, have lead the cytogenetic studies to be considered particularly ... [more ▼]

The findings that chromosomal aberrations are specifically associated with a considerable number of tumors and particularly leukemia, have lead the cytogenetic studies to be considered particularly contributive in haematological practices. Since the discovery of th Philadelphia chromosome linked with the chronic myeloid leukemia, technological improvements have allowed detection of others chromosomes specifically associated with some types or subtypes of leukemia, lymphomas and solid tumors. Today, cytogenetics is considered as a useful tool not only for diagnostic but also for prognosis and therapeutic. During the follow-up, it may assess not only complete remission, success of bone marrow transplantation but also relapse. Bone marrow cytogenetic studies are being now essential at diagnosis and during follow-up of patients with hematological proliferative tumors. Well done, cytogenetics studies may be of importance for the therapeutic decision. [less ▲]

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See detailAsymmetric Diels-Alder reactions of a nitroso compound derived from D-bornane-10,2-sultam
Gouverneur, Véronique; Dive, Georges ULg; Ghosez, Léon

in Tetrahedron, Asymmetry (1991), 2(12), 1173-1176

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