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Xu D, Gao J, Gillilland M 3rd, Wu X, Song I, Kao JY, Owyang C.Xu D, et al. Among authors: owyang c.Gastroenterology. 2014 Feb;146(2):484-96.e4. doi: 10.1053/j.gastro.2013.10.026. Epub 2013 Oct 22.Gastroenterology. 2014.PMID: 24161699Free PMC article.