[The place and role of social-hygienic research into the health problems of the workers in the USSR during the twenties and thirties].
D006302:Health Services Research / Q000266:history*; D049673:History, 20th Century; D009787:Occupational Medicine / Q000266:history*; D014586:USSR
Mesto i rol' sotsial'no-gigienicheskikh issledovaniĭ v izuchenii zdorov'ia rabochikh v SSSR v 20-30-e gody.