Columbia subject headings:
Medical care--Utilization--United States.
Medical economics--United States.
Medical policy--United States.
Mortality--United States.
United States--Statistics, Vital.
Harvard subject headings:
Medical care, Cost of--United States
Medical care--Utilization--United States.
Medical economics--United States.
Medical policy--United States
Mortality--United States.
United States--Statistics, Vital.
Princeton subject headings:
Medical care, Cost of--United States.
Medical care--United States.
Medical policy--United States.
Mortality--United States.
United States--Statistics, Vital.