title: [Nikolai Nikolaevich Petrov (on the 100th anniversary of his birth)].
mesh_terms: D013502:General Surgery / Q000266:history; D006666:History of Medicine; D009369:Neoplasms / Q000266:history; D012425:Russia (Pre-1917); D014586:USSR
vernacular_title: Nikolaĭ Nikolaevich Petrov (k stoletiiu so dnia rozhdeniia)