Columbia subject headings:
Harvard subject headings:
Flexner, Abraham, 1866-1959. Medical education in the United States and Canada.
Medical education--United States--Endowments--History.
Medicine--Research--United States--Endowments--History.
Princeton subject headings:
Flexner, Abraham, 1866-1959. Medical education in the United States and Canada.
Medical education--United States--Endowments--History.
Medicine--Research--United States--Endowments--History.