[Nikolaĭ Nikolaevich Petrov (on the 100th anniversary of his birth)].
D013502:General Surgery / Q000266:history; D006666:History of Medicine; D006801:Humans; D009369:Neoplasms / Q000266:history; D014586:USSR
Nikolaĭ Nikolaevich Petrov (k 100-letiiu so dnia rozhdeniia)