[Public water supply in Oslo].
D003140:Communicable Disease Control; D004926:Escherichia coli / Q000302:isolation & purification; D004927:Escherichia coli Infections / Q000517:prevention & control; D006801:Humans; D009664:Norway; D014871:Water Microbiology; D014876:Water Pollution; D014881:Water Supply
Drikkevannsproblemer i Oslo.