title: Unraveling the effects of tier-copayment drug benefit designs.
authors: Frederic R
authors: FR
authors: Curtiss
mesh_terms: D000368:Aged; D002908:Chronic Disease / Q000191:economics; D016527:Drug Costs; D011307:Drug Prescriptions / Q000191:economics; D004363:Drug Utilization; D005569:Formularies as Topic; D006801:Humans; D007356:Insurance, Pharmaceutical Services / Q000191:economics*; D004366:Nonprescription Drugs / Q000191:economics; D010593:Pharmaceutical Services / Q000191:economics; D011306:Prescription Fees; D014481:United States
chemical_list: D004366:Nonprescription Drugs