[Hygienic problems in relation to the assimilation of the natural riches of the Far North, Sibiria and the Far East (on the 60th anniversary of the Great October)].
D001110:Arctic Regions; D003247:Conservation of Natural Resources; D004782:Environmental Health; D005202:Asia, Eastern; D006920:Hygiene; D009787:Occupational Medicine; D011890:Railroads; D014586:USSR
Problemy gigieny v sviazi s osvoeniem prirodnykh bogatsv Kraĭnego Severa, Sibiri i Dal'nego Vostoka (k 60-letiiu Velikogo Oktiabria).