title: [Ivan Sergeevich Sokolov (on his 80th birthday)].
mesh_terms: D006266:Health Education / Q000266:history; D049673:History, 20th Century; D011635:Public Health Administration / Q000266:history; D014586:USSR
vernacular_title: Ivan Sergeevich Sokolov (k 80-letiiu so dnia rozhdeniia)