WAME (World Association of Medical Editors). 2010. Publication ethics policies for medical journals. http://www.wame.org/resources/publication-ethics-policies-for-medical-journals (accessed November 10, 2010).

Wennberg, D. E., F. L. Lucas, J. D. Birkmeyer, C. E. Bredenberg, and E. S. Fisher. 1998. Variation in carotid endarterectomy mortality in the Medicare population: Trial hospitals, volume, and patient characteristics. JAMA 279(16):1278–1281.

Whitlock, E. P., E. A. O’Connor, S. B. Williams, T. L. Beil, and K. W. Lutz. 2008. Effectiveness of weight management programs in children and adolescents. Rockville, MD: AHRQ.

WHO (World Health Organization). 2006. African Index Medicus. http://indexmedicus.afro.who.int/ (accessed June 2, 2010).

WHO. 2010. International Clinical Trials Registry Platform. http://www.who.int/ictrp/en/ (accessed June 17, 2010).

Wieland, S., and K. Dickersin. 2005. Selective exposure reporting and Medline indexing limited the search sensitivity for observational studies of the adverse effects of oral contraceptives. Journal of Clinical Epidemiology 58(6):560–567.

Wilczynski, N. L., R. B. Haynes, A. Eady, B. Haynes, S. Marks, A. McKibbon, D. Morgan, C. Walker-Dilks, S. Walter, S. Werre, N. Wilczynski, and S. Wong. 2004. Developing optimal search strategies for detecting clinically sound prognostic studies in MEDLINE: An analytic survey. BMC Medicine 2:23.

Wilt, T. J. 2006. Comparison of endovascular and open surgical repairs for abdominal aortic aneurysm. Rockville, MD: AHRQ.

Wood, A. J. J. 2009. Progress and deficiencies in the registration of clinical trials. New England Journal of Medicine 360(8):824–830.

Wood, A. M., I. R. White, and S. G. Thompson. 2004. Are missing outcome data adequately handled? A review of published randomized controlled trials in major medical journals. Clinical Trials 1(4):368–376.

Wood, L., M. Egger, L. L. Gluud, K. F. Schulz, P. Jüni, D. G. Altman, C. Gluud, R. M. Martin, A. J. Wood, and J. A. Sterne. 2008. Empirical evidence of bias in treatment effect estimates in controlled trials with different interventions and outcomes: Meta-epidemiological study. BMJ 336(7644):601–605.

Wortman, P. M., and W. H. Yeaton. 1983. Synthesis of results in controlled trials of coronary bypass graft surgery. In Evaluation studies review annual, edited by R. L. Light. Beverly Hills, CA: Sage.

Yoshii, A., D. A. Plaut, K. A. McGraw, M. J. Anderson, and K. E. Wellik. 2009. Analysis of the reporting of search strategies in Cochrane systematic reviews. Journal of the Medical Library Association 97(1):21–29.

Zarin, D. A. 2005. Clinical trial registration. New England Journal of Medicine 352(15):1611.

Zarin, D. A., T. Tse, and N. C. Ide. 2005. Trial registration at ClinicalTrials.gov between May and October 2005. New England Journal of Medicine 353(26):2779–2787.



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