We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleEvidence based medicine: what it is and what it isn'tAuthorsSackett, D. L; Rosenberg, W. M C; Gray, J A M.; Haynes, R B.; Richardson, W S.PublicationBMJ, 1996, Vol 312, Issue 7023, p71ISSN0959-8138Publication typearticleDOI10.1136/bmj.312.7023.71