title: [Purification and disinfection of hospital sewage as a hygienic task].
mesh_terms: D004203:Disinfection; D008284:Maintenance and Engineering, Hospital; D012498:Sanitary Engineering; D012722:Sewage; D013242:Sterilization; D014586:USSR; D014881:Water Supply
chemical_list: D012722:Sewage
vernacular_title: Ochistka i obezzarazhivanie stochnykh vod bol'nits kak gigienicheskaia zadacha