Existing resources and their problems.
D000208:Acute Disease; D000368:Aged; D001508:Bed Conversion; D002908:Chronic Disease; D006295:Health Resources / Q000600:supply & distribution*; D006299:Health Services for the Aged / Q000600:supply & distribution*; D006760:Hospitalization; D006801:Humans; D007326:Institutionalization; D012940:Social Problems; D014481:United States