Published in AIDS Weekly, June 17th, 1996
Although the "gold standard" of treatment evaluation is the randomized, clinical trial, randomized clinical trials are not always possible for ethical and economic reasons. In an issue of the Annals of Internal Medicine (Ann Intern Med 1996;124:999-1005), Dr. Marshall J. Glesby explained the potential hazards of the bias associated with observational treatment studies, which he said are often overlooked.
Survivor treatment selection bias can erroneously lead...
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