Aging America. The time bomb keeps ticking.
D000368:Aged; D000369:Aged, 80 and over; D005544:Forecasting; D006301:Health Services Needs and Demand / Q000639:trends*; D006302:Health Services Research / Q000639:trends*; D006299:Health Services for the Aged / Q000639:trends*; D006801:Humans; D006278:Medicare; D014481:United States