[Industrial hygiene and health protection for workers in the works of V. I. Lenin].
D005197:Famous Persons; D049672:History, 19th Century; D049673:History, 20th Century; D009787:Occupational Medicine / Q000266:history*; D012425:Russia (Pre-1917); D014586:USSR
Gigiena truda i okhrana zdorov'ia trudiashchikhsia v rabotakh V. I. Lenina.