title: Paramecium aurelia syngens in the Bieszczady region.
mesh_terms: D000818:Animals; D003470:Culture Media; D010247:Paramecium / Q000302:isolation & purification*; D011044:Poland; D012722:Sewage; D014871:Water Microbiology; D014881:Water Supply
chemical_list: D003470:Culture Media; D012722:Sewage