[Threshold of action, threshold of toxicity and optimal level of external influences].
Vlasov
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VV
D004781:Environmental Exposure; D004784:Environmental Monitoring; D015386:Hazardous Substances; D006920:Hygiene; D008452:Maximum Allowable Concentration
D015386:Hazardous Substances
O poroge deĭstviia, poroge vrednosti i optimalńom urovne vneshnikh vozdeĭstviĭ.