Demystifying Medicare's new prescription drug benefit.
D000368:Aged; D017047:Cost Sharing; D004608:Eligibility Determination; D005569:Formularies as Topic; D006801:Humans; D007356:Insurance, Pharmaceutical Services / Q000191:economics / Q000331:legislation & jurisprudence; D006278:Medicare / Q000191:economics / Q000331:legislation & jurisprudence; D011203:Poverty; D014481:United States