[The 80th birthday of Academician Lev Kipriianovich Khotsianov].
D049673:History, 20th Century; D009787:Occupational Medicine / Q000266:history; D011315:Preventive Medicine / Q000266:history; D014586:USSR
K 80-letiiu so dnia rozhdeniia akademika L'va Kipriianovicha Khotsianova.