title: [Nikolaĭ Nikolaevich Petrov].
authors.forename: N N
authors.initials: NN
authors.lastname: Blokhin
mesh_terms: D049672:History, 19th Century; D049673:History, 20th Century; D008495:Medical Oncology / Q000266:history; D012425:Russia (Pre-1917); D014586:USSR
vernacular_title: Nikolaĭ Nikolaevich Petrov.