[Sergeĭ Petrovich Fedorov (1869-1936)].
Zaĭtsev
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EI
D013502:General Surgery / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D012425:Russia (Pre-1917); D014586:USSR; D014572:Urology / Q000266:history