Columbia subject headings:
Medicare--Law and legislation.
Social security--Law and legislation--United States.
Harvard subject headings:
Medicare--Law and legislation.
Social security--Law and legislation--United States
Princeton subject headings:
Medicaid--Legislation.
Medicaid--Periodicals.
Medicare--Law and legislation.
Medicare--Legislation.
Medicare--Periodicals.
Periodicals.
Social security--Law and legislation--United States.
Social security--United States--Legislation.
Social security--United States--Periodicals.