Sewage contamination of drinking water in Bolton.
D002648:Child; D004196:Disease Outbreaks; D004739:England / Q000453:epidemiology; D005767:Gastrointestinal Diseases / Q000453:epidemiology* / Q000209:etiology; D006801:Humans; D012722:Sewage; D014876:Water Pollution
D012722:Sewage