Columbia subject headings:
Federal aid to rural health services--United States.
Rural health services--United States.
Rural hospitals--United States.
United States--Rural conditions.
Harvard subject headings:
Federal aid to rural health services--United States.
Rural health services--United States
Rural hospitals--United States.
United States--Rural conditions--Health aspects.
Princeton subject headings:
Federal aid to rural health services--United States.
Rural health services--United States.
Rural hospitals--United States.
United States--Rural conditions.