[Problems of hygiene and sanitation in the works of V. I. Lenin].
D049672:History, 19th Century; D049673:History, 20th Century; D009787:Occupational Medicine / Q000266:history*; D011635:Public Health Administration / Q000266:history*; D014586:USSR
Voprosy gigieny i sanitarii v trudakh V. I. Lenina.