Columbia subject headings:
Hospital care--United States--Quality control.
Hospitalization insurance--United States.
Hospitals--United States--Finance.
Medicare.
United States. Social Security Administration.
Harvard subject headings:
Hospital care--Quality control--United States.
Hospital care--United States--Quality control.
Hospitalization insurance--United States.
Hospitals--United States--Finance
Medicare.
United States. Social Security Administration.
Princeton subject headings:
Hospital care--United States--Quality control.
Hospitalization insurance--United States.
Hospitals--United States--Finance.
Medicare.
United States. Social Security Administration