Publication Bias in Clinical Research
Easterbrook, Philippa J.
Berlin, Jesse A.
Gopalan, Ramana and Matthews, David R.
LANCET 337(8746): 867-872, 13 April 1991
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Easterbrook, Philippa J.; Berlin, Jesse A.; Gopalan, Ramana; Matthews, Daryl R. (1991-04-13)In a retrospective survey, 487 research projects approved by the Central Oxford Research Ethics Committee between 1984 and 1987, were studied for evidence of publication bias...Studies with statistically significant results ...