[A method of membrane ultrafilters applied for the determination of E. coli titer in water and sewage].
D004787:Environmental Pollution; D004926:Escherichia coli; D012722:Sewage; D014867:Water; D014871:Water Microbiology; D014876:Water Pollution / Q000382:microbiology*
D012722:Sewage; D014867:Water
ESCHERICHIA COLI; WATER POLLUTION/microbiology