Posted as supplied by author.

w1 Eddy D. Comparing benefits and harms: the balance sheet. JAMA 1990;263:2493-505.

w2 Djulbegovic B, Morris L, Lyman GH. Evidentiary challenges to evidence-based medicine. J Eval Clin Pract 2000;6:1-11.

w3 Kassirer JP. Our stubborn quest for diagnostic certainty. A cause of excessive testing. N Engl J Med 1989;320:1489-91.

w4 Chalmers I. Why comparisons must address genuine uncertainties: www.jameslindlibrary.org/essays/comparisons/genuine_uncertainties.html (accessed 1 Dec 2004).

w5 Djulbegovic B. Principles of research synthesis. In: Perry M, ed. ASCO educational session, 39 annual meeting. Washington, DC: ASCO, 2003:737-750.

w6 Chalmers I, Sackett D, Silagy C. The Cochrane Collaboration. In: Maynard A, Chalmers I, eds. Non-random reflections on health services research. London: BMJ, pp 231-249.

w7 Tunis SR, Stryer DB, Clancy CM. Practical clinical trials: increasing the value of clinical research for decision making in clinical and health policy. JAMA 2003;290:1624-32.

w8 Partridge N, Scadding J. The James Lind Alliance: patients and clinicians should jointly identify their priorities for clinical trials. Lancet 2004;364:1923-4.




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