National health care and the elderly.
D000368:Aged; D003953:Diagnosis-Related Groups / Q000331:legislation & jurisprudence; D006291:Health Policy / Q000191:economics / Q000331:legislation & jurisprudence*; D006297:Health Services Accessibility / Q000331:legislation & jurisprudence; D006801:Humans; D006278:Medicare / Q000191:economics / Q000331:legislation & jurisprudence; D011787:Quality of Health Care / Q000331:legislation & jurisprudence; D014481:United States