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Han Y, Zhang PJ, Chen T, Yum SW, Pasha T, Furth EE.Han Y, et al. Among authors: zhang pj.Gastroenterol Res Pract. 2011;2011:561719. doi: 10.1155/2011/561719. Epub 2011 Jun 30.Gastroenterol Res Pract. 2011.PMID: 21754925Free PMC article.