title: [Problems concerning the etiology and pathogenesis of malignant tumors].
mesh_terms: D006801:Humans; D009369:Neoplasms / Q000145:classification / Q000209:etiology* / Q000276:immunology; D011230:Precancerous Conditions / Q000175:diagnosis
vernacular_title: Nekotorye voprosy étiologii i patogeneza zloakachestvennykh opukholeĭ.