Columbia subject headings:
Medical care--United States--Statistics--Bibliography.
Public health--United States--Statistical services--Directories.
United States--Statistics, Medical--Bibliography.
United States--Statistics, Vital--Bibliography.
Harvard subject headings:
Medical care--United States--Statistics--Bibliography.
Public health--United States--Statistical services--Directories.
Statistics--Bibliography
United States--Statistics, Medical--Bibliography.
United States--Statistics, Vital--Bibliography.
Princeton subject headings:
Medical care--United States--Statistics--Bibliography.
Public health--United States--Statistical services--Directories.
United States--Statistics, Medical--Bibliography.
United States--Statistics, Vital--Bibliography.