Link between cost-sharing, noncompliance cited.
D017047:Cost Sharing; D003625:Data Collection; D005382:Financing, Personal; D015438:Health Behavior; D017048:Health Care Costs / Q000706:statistics & numerical data; D006279:Health Maintenance Organizations / Q000191:economics*; D006801:Humans; D010349:Patient Compliance; D014481:United States