Columbia subject headings:
Harvard subject headings:
Medicaid--Congresses.
Medicare--Congresses.
Older people--Medical care--United States--Congresses.
Poor--Medical care--United States--Congresses.
Princeton subject headings:
Medicaid--Congresses.
Medicare--Congresses.
Older people--Medical care--United States--Congresses.
Poor--Medical care--United States--Congresses.