title: Pills and ills: methodological problems in pharmacological research.
authors.affiliation: Division of Geriatrics Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania.
authors.forename: Zachary A
authors.initials: ZA
authors.lastname: Marcum
authors.forename: Jerry H
authors.initials: JH
authors.lastname: Gurwitz
authors.forename: Cathleen
authors.initials: C
authors.lastname: Colón-Emeric
authors.forename: Joseph T
authors.initials: JT
authors.lastname: Hanlon
mesh_terms: D000368:Aged; D002908:Chronic Disease / Q000188:drug therapy*; D006801:Humans; D055118:Medication Adherence; D008508:Medication Errors; D012106:Research