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el Younis CM, Min AD, Fiel MI, Klion FM, Thung SN, Faire B, Miller CM, Bodenheimer HC Jr.el Younis CM, et al. Among authors: klion fm.Am J Gastroenterol. 1996 May;91(5):1016-8.Am J Gastroenterol. 1996.PMID: 8633541Review.