DNA fingerprinting shows human sewage only a tiny fraction of the problem
May 5, 2009
Tom Spears
The Ottawa Citizen
http://www.ottawacitizen.com/Technology/Livestock+main+source+coli+study/1563371/story.html
May 5, 2009
Tom Spears
The Ottawa Citizen
http://www.ottawacitizen.com/Technology/Livestock+main+source+coli+study/1563371/story.html
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