Columbia subject headings:
Harvard subject headings:
Health insurance claims--United States.
Health maintenance organization patients--Legal status, laws, etc.
Managed care plans (Medical care)--Law and legislation--United States.
Medical care--Law and legislation--United States
Princeton subject headings:
Health insurance claims--United States.
Health maintenance organization patients--Legal status, laws, etc.
Managed care plans (Medical care)--Law and legislation--United States.
Medical care--Law and legislation--United States.