title: [Ideas of N.N. Petrov and some theoretical problems in modern oncology].
mesh_terms: D013502:General Surgery / Q000266:history; D006666:History of Medicine; D009369:Neoplasms / Q000266:history*; D014586:USSR
vernacular_title: Idei N.N. Petrova i nekotorye teoreticheskie voprosy sovremennoĭ onkologii