Columbia subject headings:
Health care rationing--United States--History.
Health services accessibility--United States--History.
Right to health--United States--History.
Harvard subject headings:
Health care rationing--United States--History.
Health services accessibility--United States--History.
Right to health--United States--History.
Princeton subject headings:
Health care rationing--United States--History.
Health services accessibility--United States--History.
Right to health--United States--History.