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Sonnenberg A, Lash RH, Genta RM.Sonnenberg A, et al. Among authors: genta rm.Gastroenterology. 2010 Dec;139(6):1894-1901.e2; quiz e12. doi: 10.1053/j.gastro.2010.08.018. Epub 2010 Aug 19.Gastroenterology. 2010.PMID: 20727889