title: When you look for evidence and find too much: systematic reviews to the rescue.
authors.forename: W T
authors.initials: WT
authors.lastname: Longstreth
authors.forename: B M
authors.initials: BM
authors.lastname: Psaty
mesh_terms: D016251:CD-ROM; D006801:Humans; D016239:MEDLINE; D009462:Neurology; D012196:Review Literature as Topic; D014481:United States