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2. Kennedy E. P.(June 18 2010) personal communication with Gerald Weissmann.
3. Escherichia coli K-12: a cooperatively developed annotation snapshot--2005
4. Address to the National Sanitary Association;Holmes O. W.;Amer. J. Med. Sci.,1863
5. Wickett S.(June 17 2010)“Falmouth water must be boiled” The Boston Globe B3.