Columbia subject headings:
Obstetricians--Hungary--Biography.
Puerperal septicemia--History.
Semmelweis, Ignác Fülöp, 1818-1865.
Harvard subject headings:
Obstetricians--Hungary--Biography.
Puerperal septicemia--History.
Semmelweis, Ignác Fülöp, 1818-1865.
Princeton subject headings: