Columbia subject headings:
Federal aid to hospitals--United States.
Hospitals--United States--Finance.
Medicare.
Poor--Hospital care--United States--Finance.
Harvard subject headings:
Federal aid to hospitals--United States.
Hospitals--United States--Finance
Medicare.
Poor--Hospital care--United States--Finance.
Princeton subject headings:
Federal aid to hospitals--United States.
Hospitals--United States--Finance.
Medicare.
Poor--Hospital care--United States--Finance.