title: Introducing perspectives on comparative effectiveness research.
authors.forename: Howard G
authors.initials: HG
authors.lastname: Birnbaum
authors.forename: Paul E
authors.initials: PE
authors.lastname: Greenberg
mesh_terms: D057186:Comparative Effectiveness Research / Q000458:organization & administration*; D003657:Decision Making; D017850:Economics, Pharmaceutical; D019317:Evidence-Based Medicine / Q000458:organization & administration*; D006801:Humans