title: Evidence based medicine: what it is and what it isn't.
authors.forename: D L
authors.initials: DL
authors.lastname: Sackett
authors.forename: W M
authors.initials: WM
authors.lastname: Rosenberg
authors.forename: J A
authors.initials: JA
authors.lastname: Gray
authors.forename: R B
authors.initials: RB
authors.lastname: Haynes
authors.forename: W S
authors.initials: WS
authors.lastname: Richardson
mesh_terms: D002983:Clinical Competence; D015510:Clinical Medicine; D003657:Decision Making; D003661:Decision Support Techniques; D006801:Humans; D006113:United Kingdom