Health of the elderly: policy issues and challenges.
D000368:Aged; D005260:Female; D005102:Health Expenditures; D006291:Health Policy; D006299:Health Services for the Aged / Q000191:economics* / Q000706:statistics & numerical data; D006304:Health Status; D006801:Humans; D008134:Long-Term Care / Q000191:economics; D008297:Male; D006278:Medicare / Q000331:legislation & jurisprudence*; D011157:Population Dynamics; D012944:Social Support; D014481:United States