[80th anniversary of the Leningrad Society of Obstetricians and Gynecologists].
D006176:Gynecology; D049672:History, 19th Century; D049673:History, 20th Century; D009774:Obstetrics; D012426:Russia; D012425:Russia (Pre-1917); D012955:Societies, Medical / Q000266:history*
80-letie Leningradskogo obshchestva akusherov-ginekologov.