Columbia subject headings:
Harvard subject headings:
Managed care plans (Medical care)--Law and legislation--United States
Medicare--Claims administration
Medicare--Law and legislation
United States--Armed Forces--Medical care--Law and legislation
United States. Department of Defense--Officials and employees--Medical care.
Princeton subject headings:
Medicare--Claims administration.
United States--Armed Forces--Medical care--Law and legislation.
United States. Department of Defense--Officials and employees--Medical care.