Medical subject headings- Annotated alphabetic list
(U.S.) National Library of Medicine.
- Bethesda, Md. : [Springfield, Va.] : The Library ; National Technical Information Service, [distributor], 1975-
- (various pages),
Title from cover.
Subject headings--Medicine--Periodicals.
Pharmaceutical chemistry--Periodicals.
Subject Headings--Periodicals.
Chemistry--Periodicals.
Medicine--Periodicals.
Title from cover.
Subject headings--Medicine--Periodicals.
Pharmaceutical chemistry--Periodicals.
Subject Headings--Periodicals.
Chemistry--Periodicals.
Medicine--Periodicals.