The aged in America.
D000368:Aged; D002908:Chronic Disease; D005060:Europe; D005544:Forecasting; D005102:Health Expenditures / Q000639:trends*; D006299:Health Services for the Aged / Q000191:economics*; D006801:Humans; D007326:Institutionalization / Q000191:economics; D011153:Population; D014481:United States