[Sanitary education and the problems of improving work conditions during the first few years of the Five-Year Plan].
D006266:Health Education / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D009313:National Health Programs / Q000266:history*; D009787:Occupational Medicine / Q000266:history*; D013997:Time Factors; D014586:USSR
Sanitarnoe prosveshchenie i voprosy ozdorovleniia usloviĭ truda v gody pervykh piatiletok.