title: [Basic principles and approaches for approval of experimentally established MPEL's for noxious substances in the air of working zones].
mesh_terms: D000393:Air Pollutants / Q000633:toxicity*; D000395:Air Pollutants, Occupational / Q000633:toxicity*; D000818:Animals; D004781:Environmental Exposure; D006801:Humans; D008452:Maximum Allowable Concentration; D009784:Occupational Diseases / Q000517:prevention & control*; D014116:Toxicology / Q000592:standards*; D014586:USSR
chemical_list: D000393:Air Pollutants; D000395:Air Pollutants, Occupational
vernacular_title: Osnovnye printsipy i podkhody k aprobatsii éksperimental'no ustanovlennykh PDK Vrednykh veshchestv v vozdukhe rabocheĭ zony