title: [Professor Andrei Lvovich Polenov is 135 years old].
authors.forename: E N
authors.initials: EN
authors.lastname: Kondakov
authors.forename: T N
authors.initials: TN
authors.lastname: Pirskaia
mesh_terms: D049672:History, 19th Century; D049673:History, 20th Century; D009493:Neurosurgery / Q000266:history*; D012425:Russia (Pre-1917); D014586:USSR