Medicare Part D Coverage Gap Discount Program beginning in 2011.
Cahill
Judith A
JA
D016527:Drug Costs; D006801:Humans; D019458:Insurance Coverage / Q000331:legislation & jurisprudence*; D017054:Insurance, Medigap / Q000191:economics*; D054524:Medicare Part D / Q000191:economics*; D014481:United States