Medication cost-sharing: helping chronically ill patients cope.
Piette
John D
JD
D000368:Aged; D002908:Chronic Disease / Q000188:drug therapy* / Q000191:economics; D017047:Cost Sharing; D011307:Drug Prescriptions / Q000191:economics*; D005382:Financing, Personal; D006801:Humans; D006278:Medicare; D011306:Prescription Fees; D014481:United States