[From the history of the development of work hygiene in the Urals after the Great October Socialist Revolution].
D049673:History, 20th Century; D009787:Occupational Medicine / Q000266:history*; D012800:Siberia
Iz istorii razvitiia gigieny truda na Urale posle Velikoĭ Oktiabr'skoĭ sotsialisticheskoĭ revoliutsii.