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Title
Claims of equivalence in medical research: are they supported by the evidence?
Authors
Greene, W L; Concato, J; Feinstein, A R
Abstract
Most clinical studies are done to show comparative superiority, but many reports now claim equivalence between the investigated entities. These assertions may not always be supported by the methods used and the results obtained.
Publication
Annals of internal medicine, 2000, Vol 132, Issue 9, p715