Perspectives. Determined drug-card players face barriers on take-up.
D000368:Aged; D014487:Centers for Medicare and Medicaid Services, U.S.; D004345:Drug Industry; D006801:Humans; D007356:Insurance, Pharmaceutical Services / Q000331:legislation & jurisprudence / Q000706:statistics & numerical data*; D006278:Medicare / Q000331:legislation & jurisprudence / Q000706:statistics & numerical data*; D011057:Politics; D011203:Poverty; D011306:Prescription Fees; D014481:United States