Columbia subject headings:
Medical care--United States.
Medical policy--United States.
Urban health--Government policy--United States.
Urban health--United States.
Harvard subject headings:
Medical care--United States
Medical policy--United States
Urban health--Government policy--United States.
Urban health--United States.
Princeton subject headings:
Medical care--United States.
Medical policy--United States.
Urban health--Government policy--United States.
Urban health--United States.