title: Pharmacy copayments: a double-edged sword.
authors.forename: M D
authors.initials: MD
authors.lastname: Dalzell
mesh_terms: D017047:Cost Sharing; D016527:Drug Costs / Q000639:trends; D011307:Drug Prescriptions / Q000191:economics*; D004363:Drug Utilization; D006279:Health Maintenance Organizations / Q000191:economics*; D006801:Humans; D010349:Patient Compliance; D014481:United States