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Title
Sources of variation and bias in studies of diagnostic accuracy: a systematic review.
Authors
Whiting, Penny; Rutjes, Anne W S; Reitsma, Johannes B; Glas, Afina S; Bossuyt, Patrick M M; Kleijnen, Jos
Abstract
Studies of diagnostic accuracy are subject to different sources of bias and variation than studies that evaluate the effectiveness of an intervention. Little is known about the effects of these sources of bias and variation.
Publication
Annals of internal medicine, 2004, Vol 140, Issue 3, p189