title: Improving medication adherence: challenges for physicians, payers, and policy makers.
authors.forename: Patrick J
authors.initials: PJ
authors.lastname: O'Connor
mesh_terms: D003142:Communication; D004338:Drug Combinations; D004358:Drug Therapy / Q000191:economics / Q000523:psychology*; D064420:Drug-Related Side Effects and Adverse Reactions; D005569:Formularies as Topic; D006801:Humans; D008508:Medication Errors / Q000517:prevention & control*; D010349:Patient Compliance / Q000523:psychology*; D019338:Polypharmacy
chemical_list: D004338:Drug Combinations