By the Numbers. Medicare and Medicaid.
D003625:Data Collection; D005102:Health Expenditures / Q000706:statistics & numerical data; D006279:Health Maintenance Organizations / Q000706:statistics & numerical data; D006801:Humans; D008484:Medicaid / Q000191:economics / Q000706:statistics & numerical data*; D006278:Medicare / Q000191:economics / Q000706:statistics & numerical data*; D011445:Prospective Payment System / Q000706:statistics & numerical data; D014481:United States