[History of health measures relating to working conditions in the USSR (1928-1933)].
D004782:Environmental Health; D049673:History, 20th Century; D007883:Legislation, Medical / Q000266:history; D009787:Occupational Medicine / Q000266:history*; D014586:USSR
Iz istorii sanitarnoĭ okhrany truda rabochikh v SSSR (1928-1933.