Bombardier, C., Esmail, R., Nachemson, A.L., The Cochrane Collaboration Back Review Group for spinal disorders (1997) Spine, 22, pp. 837-840
Deyo, R.A., Weinstein, J.N., Low back pain (2001) N Engl J Med, 334 (5), pp. 363-370
Dickersin, K., Scherer, R., Lefebrve, C., Identifying relevant studies for systematic reviews (1994) BMJ, 309, pp. 1286-1291
Egger, M., Zellweger-Zahner, T., Schneider, M., Junker, C., Lengeler, C., Antes, G., Language bias inn randomised controlled trials published in English and German (1997) Lancet, 350, pp. 326-329
Grégoire, G., Derderian, F., Le Lorier, J., Selecting the language of the publications included in a meta-analysis
is there a tower of Babel bias? (1995) J Clin Epidemiol, 48, pp. 159-163
Grimshaw, J.M., Shirran, L., Thomas, R., Mowatt, G., Fraser, C., Bero, L., Grilli, R., O'Brien, M.A., Changing provider behavior: An overview of systematic reviews of interventions (2001) Med Care, 39, pp. II2-II45
Haynes, R.B., Developing optimal search strategies for detecting clinically sound studies in MEDLINE (1994) J Am Med Inform Assoc, 1, pp. 447-458
Juni, P., Holenstein, F., Sterne, J., Bartlett, C., Egger, M., Direction and impact of language bias in meta-analysis of controlled trials: Empirical study (2002) Int J Epidemiol, 31, pp. 115-123
Koes, B.W., Van Tulder, M.W., Ostelo, R., Kim Burton, A., Waddell, G., Clinical guidelines for the management of low back pain in primary care: An international comparison (2001) Spine, 26, pp. 2504-2513
Linton, S.J., Van Tulder, M.W., Preventive interventions for back and neck pain. What is the evidence? (2001) Spine, 26, pp. 778-787
Moher, D., Fortin, P., Jadad, A.R., Completeness of reporting of trials published in languages other than English: Implications for conduct and reporting of systematic reviews (1996) Lancet, 347, pp. 363-366
Oxman, A.D., Guyatt, G.H., Validation of an index of the quality of review articles (1991) J Clin Epidemiol, 44, pp. 1271-1278
Sackett, D., (1997) Evidence Based Medicine, , Churchill Livingstone, London
Guideline development in Europe: An international comparison (2000) Int J Technol Assess Health Care, 16, pp. 1036-1046
Van Tulder, M.W., Assendelft, W.J.J., Koes, B.W., Bouter, L.M., Method guidelines for systematic reviews in the Cochrane Collaboration Back Review Group for spinal disorders (1997) Spine, 22, pp. 2323-2330
Van Tulder, M.W., Koes, B.W., Bouter, L.M., A cost-of-illness study of back pain in the Netherlands (1995) Pain, 62, pp. 232-240
