Columbia subject headings:
Managed care plans (Medical care)--Government policy--United States.
Medicare+Choice Program (U.S.)
Older people--Medical care--Government policy--United States.
Harvard subject headings:
Managed care plans (Medical care)--Government policy--United States.
Medicare+Choice Program (U.S.)
Older people--Medical care--Government policy--United States.
Princeton subject headings:
Managed care plans (Medical care)--Government policy--United States.
Medicare+Choice Program (U.S.)
Older people--Medical care--Government policy--United States.