Columbia subject headings:
Medical care--United States--Periodicals.
Public health--United States--Periodicals.
United States--Statistics, Medical--Periodicals.
Harvard subject headings:
Medical care--United States--Periodicals.
Public health--United States--Periodicals
United States--Statistics, Medical--Periodicals.
Princeton subject headings:
Medical care--United States--Periodicals.
Periodicals.
Public health--United States--Periodicals.
United States--Statistics, Medical--Periodicals.