title: [Khristofor Nikolaevich Pirumov (on his 80th birthday)].
mesh_terms: D001136:Armenia; D004813:Epidemiology / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century
vernacular_title: Kristofor Nikolaevich Pirumov (k 80-letiiu so dnia rozhdeniia)