Columbia subject headings:
Medicine--Research--United States--Periodicals.
National Institutes of Health (U.S.)--Periodicals.
Research and development contracts, Government--United States--Periodicals.
Harvard subject headings:
Medicine--Research--United States--Periodicals
National Institutes of Health (U.S.)--Periodicals.
Research and development contracts, Government--United States--Periodicals.
Princeton subject headings:
Medicine--Research--United States--Periodicals.
National Institutes of Health (U.S.)--Periodicals.
Periodicals.
Research and development contracts, Government--United States--Periodicals.