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Literature DB >> 534920

Before-and-after comparisons: a cautionary role.

Abstract

Source DB: PubMed Journal: Br Med J ISSN： 0007-1447

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2 in total

Authors: I F Moseley
Journal: Neuroradiology Date: 1988 Impact factor: 2.804

Authors: G H Guyatt; P X Tugwell; D H Feeny; R B Haynes; M Drummond
Journal: CMAJ Date: 1986-03-15 Impact factor: 8.262

2 in total