title: Evidence based medicine, a new challenge.
authors.forename: A
authors.initials: A
authors.lastname: Costa
authors.forename: S M
authors.initials: SM
authors.lastname: Hubbard
mesh_terms: D002986:Clinical Trials as Topic / Q000592:standards; D003195:Computer Communication Networks; D016208:Databases, Factual / Q000592:standards*; D003657:Decision Making; D019317:Evidence-Based Medicine / Q000592:standards*; D017410:Practice Guidelines as Topic