title: Comparative effectiveness research: challenges for medical journals.
authors.forename: Harold C
authors.initials: HC
authors.lastname: Sox
authors.forename: Mark
authors.initials: M
authors.lastname: Helfand
authors.forename: Jeremy
authors.initials: J
authors.lastname: Grimshaw
authors.forename: Kay
authors.initials: K
authors.lastname: Dickersin
authors.forename: David
authors.initials: D
authors.lastname: Tovey
authors.forename: J André
authors.initials: JA
authors.lastname: Knottnerus
authors.forename: Peter
authors.initials: P
authors.lastname: Tugwell
mesh_terms: D057186:Comparative Effectiveness Research / Q000592:standards*; D035081:Editorial Policies; D019317:Evidence-Based Medicine; D017408:Guidelines as Topic; D010506:Periodicals as Topic / Q000592:standards*