American Journal of Obstetrics and Gynecology · 1939 · 12 citations · 5 references
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Emil Novak, Arthur K. Koff · American Journal of Obstetrics and Gynecology · 1930 · 45 citations
JOHN B. SEARS · Annals of Surgery · 1933 · 21 citations · Full text
S. Aschheim · JAMA · 1935 · 11 citations