Pathogenic intestinal organisms in the unfiltered water supply of Calcutta and the effect of chlorination.
D001419:Bacteria / Q000302:isolation & purification*; D002713:Chlorine; D056890:Eukaryota / Q000302:isolation & purification*; D005374:Filtration; D006376:Helminths / Q000302:isolation & purification*; D006801:Humans; D007194:India; D013242:Sterilization; D014876:Water Pollution; D014881:Water Supply
D002713:Chlorine