[History of the determination of hygienic standards for noxious substances in the air of production areas in the USSR].
D000397:Air Pollution / Q000032:analysis*; D049673:History, 20th Century; D006801:Humans; D009784:Occupational Diseases / Q000517:prevention & control; D009787:Occupational Medicine / Q000266:history*; D014586:USSR
K istorii gigienicheskogo normirovaniia vrednykh veshchestv v vozdukhe rabocheĭ zony v SSS.