title: [Hygienic assessment of biological ponds for sewage treatment].
mesh_terms: D007220:Industrial Waste; D012722:Sewage; D014586:USSR
chemical_list: D007220:Industrial Waste; D012722:Sewage
vernacular_title: Gigienicheskaia otsenka biologicheskikh prudov v praktike ocheistki stochnykh vod.