[Boris Vasil'evich Petrovskiĭ (on his 70th birthday)].
D013502:General Surgery / Q000266:history; D049673:History, 20th Century; D006801:Humans; D009369:Neoplasms / Q000266:history; D012425:Russia (Pre-1917); D014586:USSR
Boris Vasil'evich Petrovskiĭ (k 70-letiiu so dnia rozhdeniia).