title: Do drug copayments work?
authors.forename: J
authors.initials: J
authors.lastname: David
mesh_terms: D003363:Cost Control; D017047:Cost Sharing; D016527:Drug Costs; D011307:Drug Prescriptions / Q000191:economics; D004363:Drug Utilization / Q000191:economics; D006801:Humans; D007349:Insurance, Health, Reimbursement; D007356:Insurance, Pharmaceutical Services / Q000191:economics*