[Research of the Irkutsk hygienists during the past 50 years (1917-1867)].
D049673:History, 20th Century; D006801:Humans; D009787:Occupational Medicine / Q000266:history*; D011635:Public Health Administration / Q000266:history*; D012106:Research / Q000266:history*; D012800:Siberia
Issledovaniia irkutskikh gigienistov za 50 let (1917-1967)