Understanding trends in health care spending.
D003625:Data Collection; D005380:Financing, Government / Q000639:trends; D005382:Financing, Personal / Q000706:statistics & numerical data; D005102:Health Expenditures / Q000706:statistics & numerical data* / Q000639:trends; D008484:Medicaid / Q000191:economics; D006278:Medicare / Q000191:economics; D014481:United States