title: [Diffusion method of obtaining low concentrations of volatile substances in hygienic research].
mesh_terms: D000393:Air Pollutants / Q000302:isolation & purification*; D004058:Diffusion; D008433:Mathematics; D008722:Methods; D014835:Volatilization
chemical_list: D000393:Air Pollutants
vernacular_title: Diffuzionnyĭ metod polucheniia malykh kontsentratsiĭ letuchikh veshchestv v gigienicheskikh issledovaniiakh