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Citation Updated

Posted by WilliamsBL on 18 Oct 2011 at 19:13 GMT

[3]
http://plosone.org/article/info:doi/10.1371/journal.pone.0024585#article1.body1.sec1.p1

Subsequent to the writing of this manuscript, this citation was retracted by The American Journal of Gastroenterology.

No competing interests declared.