Columbia subject headings:
Community health services--United States.
Health services accessibility--United States.
Medically uninsured persons--Services for--United States.
Poor--Medical care--United States.
Harvard subject headings:
Community health services--United States
Health services accessibility--United States
Medically uninsured persons--Services for--United States.
Poor--Medical care--United States
Princeton subject headings:
Community health services--United States.
Health services accessibility--United States.
Medically uninsured persons--Services for--United States.
Poor--Medical care--United States.