[Some reflexions about double blind].

Abstract

LITERATURE FINDINGS Randomized, double blind, placebo-controlled clinical trials are currently the best means of demonstrating the clinical effectiveness of drugs. The double blind procedure, when ethically and technically feasible, is a necessary condition for validating results and for causal attribution of the observed difference between the two groups… (More)
DOI: 10.1016/j.encep.2007.05.001

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