Gastroenterology (2012) - Comment
pubmed: 22796240  doi: 10.1053/j.gastro.2012.07.013  issn: 1528-0012  issn: 0016-5085 

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E. Christina Persson, Meredith S. Shiels, Sanford M. Dawsey, Kishor Bhatia, Lesley A. Anderson, Eric A. Engels