[Academician B.S. Preobrazhensky (1892-1970). Centenary].
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D049672:History, 19th Century; D049673:History, 20th Century; D010036:Otolaryngology / Q000266:history*; D012426:Russia
Akademik B.S.Preobrazhenskiĭ (1892-1970). K 100-letiiu so dnia rozhdeniia.