Columbia subject headings:
Library of the American Hospital Association, Asa S. Bacon Memorial. Hospital literature subject headings.
National Library of Medicine (U.S.). Medical subject headings.
Subject headings--Hospitals.
Subject headings--Medicine.
Harvard subject headings:
American Hospital Association.
Library of the American Hospital Association, Asa S. Bacon Memorial. Hospital literature subject headings.
National Library of Medicine (U.S.). Medical subject headings.
Subject headings--Hospitals
Subject headings--Medicine
Princeton subject headings: