Columbia subject headings:
Harvard subject headings:
Bioethics--Periodicals
Biology--Periodicals
Biology--Philosophy--Periodicals.
Medicine--History--Periodicals
Medicine--Philosophy--Periodicals.
Natural history--Periodicals
Princeton subject headings:
Biology--History--Periodicals.
Biology--Philosophy--Periodicals.
Medical sciences--History--Periodicals.
Medical sciences--Philosophy--Periodicals.
Periodicals.