[V. I. Lenin on preserving the health of workers].
D003148:Communism / Q000266:history*; D049673:History, 20th Century; D009787:Occupational Medicine / Q000266:history*; D011634:Public Health / Q000266:history*; D012425:Russia (Pre-1917); D014586:USSR
V. I. Lenin ob okhrane zdorov'ia trudiashchikhsia.