Commonwealth Fund CEO says U.S. system faces 'serious problems'.
D000368:Aged; D003695:Delivery of Health Care / Q000191:economics / Q000592:standards*; D015577:Geriatric Assessment; D006297:Health Services Accessibility; D006801:Humans; D008329:Managed Care Programs; D006278:Medicare / Q000191:economics; D011322:Primary Prevention; D014481:United States