Columbia subject headings:
Catastrophic health insurance--United States.
Medical care, Cost of--United States.
Medicare.
Pharmaceutical services insurance--United States.
Harvard subject headings:
Catastrophic health insurance--United States.
Medical care, Cost of--United States
Medicare.
Pharmaceutical services insurance--United States.
Princeton subject headings:
Catastrophic health insurance--United States.
Medical care, Cost of--United States.
Medicare.
Pharmaceutical services insurance--United States.