title: [Hygienic assessment of the effectiveness of biological purification of sewage from sleeper treatment plants].
mesh_terms: D000818:Animals; D007220:Industrial Waste; D008722:Methods; D051381:Rats; D012722:Sewage; D014865:Waste Disposal, Fluid; D014874:Water Pollutants, Chemical / Q000633:toxicity; D014877:Water Pollution, Chemical / Q000517:prevention & control*
chemical_list: D007220:Industrial Waste; D012722:Sewage; D014874:Water Pollutants, Chemical
vernacular_title: Gigienicheskaia otsenka éffektivnosti biologicheskoĭ ochistki stochnykh vod shpalopropitochnykh zavodov