Columbia subject headings:
Health insurance--Congresses.
Medical policy--Congresses.
Harvard subject headings:
Health insurance--Congresses.
Medical policy--Congresses
Medical policy--United States--Congresses
National health services--United States--Congresses.
United States--Social policy--Congresses.
Princeton subject headings:
Health insurance--Congresses.
Health insurance--United States--Congresses.
Medical policy--United States--Congresses.
National health services--United States--Congresses.
United States--Social policy--Congresses.