[Comparison of the TLV's for chemical substances in the air of workers' zones in the USSR and USA].
D000393:Air Pollutants; D004781:Environmental Exposure; D006801:Humans; D008452:Maximum Allowable Concentration; D009784:Occupational Diseases / Q000139:chemically induced / Q000517:prevention & control*; D014586:USSR; D014481:United States
D000393:Air Pollutants
Sopostavlenie urovneĭ PDK khimicheskikh veshchestv v vozdukhe rabocheĭ zony, priniatykh v SSSR i SShA