Columbia subject headings:
Longevity--United States.
Medical care, Cost of--United States.
Medical ethics--United States.
Older people--Medical care--United States.
Terminal care--United States.
Harvard subject headings:
Longevity--United States.
Medical care, Cost of--United States
Medical care--United States
Medical ethics--United States
Princeton subject headings:
Longevity--United States.
Medical care, Cost of--United States.
Medical care--United States.
Medical ethics--United States.