Columbia subject headings:
Health facilities--United States--Statistics--Periodicals.
Medical care--United States--Statistics--Periodicals.
Medical economics--United States--Statistics--Periodicals.
Medical personnel--United States--Statistics--Periodicals.
United States--Statistics, Medical--Periodicals.
Harvard subject headings:
Health facilities--United States--Statistics--Periodicals.
Medical care--United States--Statistics--Periodicals
Medical economics--United States--Statistics--Periodicals.
Medical personnel--United States--Statistics--Periodicals.
United States--Statistics, Medical--Periodicals
Princeton subject headings:
Health facilities--United States--Statistics--Periodicals.
Medical care--United States--Statistics--Periodicals.
Medical economics--United States--Statistics--Periodicals.
Medical personnel--United States--Statistics--Periodicals.
Periodicals.
Statistics.
United States--Statistics, Medical--Periodicals.