[60 years of the Great October and the development of hygienic science and practical sanitation].
D049673:History, 20th Century; D006920:Hygiene; D011634:Public Health / Q000266:history; D012499:Sanitation / Q000266:history*; D014586:USSR
60 let Velikogo Oktiabria i razvitie gigienicheskoĭ nauki i sanitarnoĭ praktiki.