Profiling the very old.
D000203:Activities of Daily Living; D000368:Aged; D000369:Aged, 80 and over; D001519:Behavior; D005260:Female; D006305:Health Status Indicators; D006306:Health Surveys; D006801:Humans; D007326:Institutionalization; D008297:Male; D008603:Mental Health; D009790:Occupations; D010865:Pilot Projects