Columbia subject headings:
Health insurance--Law and legislation--United States.
Health services accessibility--Law and legislation--United States.
Medically uninsured persons--United States.
Harvard subject headings:
Health insurance--Law and legislation--United States
Health insurance--United States
Health services accessibility--Law and legislation--United States.
Health services accessibility--United States
Medically uninsured persons--United States.
Princeton subject headings:
Health insurance--Law and legislation--United States.
Health services accessibility--Law and legislation--United States.
Medically uninsured persons--United States.