[Hygienic control over the chemical factors in the work environment].
D000393:Air Pollutants / Q000032:analysis*; D000395:Air Pollutants, Occupational / Q000032:analysis*; D004781:Environmental Exposure; D008886:Military Hygiene; D014586:USSR
D000393:Air Pollutants; D000395:Air Pollutants, Occupational
Gigienichsekiĭ kontrol' za khimicheskimi faktorami rabocheĭ