title: [Substantiation of approximate safe levels of exposure to noxious substances in the air of the working zone].
mesh_terms: D000393:Air Pollutants; D000395:Air Pollutants, Occupational; D004781:Environmental Exposure; D006801:Humans; D008452:Maximum Allowable Concentration; D014586:USSR
chemical_list: D000393:Air Pollutants; D000395:Air Pollutants, Occupational
vernacular_title: Obosnovanie orientirovochnykh bezopasnykh urovneĭ vozdeĭstviia vrednykh veshchestv v vozdukhe rabocheĭ zony