[Sociohygienic studies of the health of national minorities of Soviet Russia during the 1920's].
D003710:Demography / Q000266:history*; D005006:Ethnicity / Q000266:history*; D049673:History, 20th Century; D012959:Socioeconomic Factors / Q000266:history; D014586:USSR
Sotsial'no-gigienicheskie issledovaniia zdorov'ia malykh narodnosteĭ Sovetskoĭ Rossii v 20-e gody.