Columbia subject headings:
Hoobler, Sibley.
Medical innovations--History--20th century.
Medicine--Research--History--20th century.
Physicians--Michigan--Ann Arbor--Biography.
Harvard subject headings:
Princeton subject headings:
Hoobler, Sibley.
Medical innovations--History--20th century.
Medicine--Research--History--20th century.
Physicians--Michigan--Ann Arbor--Biography.