[Changes of bacterial infestation in decomposition of the dead mass of Sphaerotilus natans].
D003141:Communicable Diseases; D008970:Molecular Weight; D010272:Parasitic Diseases; D012722:Sewage; D012876:Skin Diseases, Parasitic; D042744:Sphaerotilus
D012722:Sewage
SEWAGE; SPHAEROTILUS