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Morgan DE, Texada JC, Canon CL, Lockhart ME, Posey JA 3rd, Vickers SM.Morgan DE, et al. Among authors: vickers sm.Clin Gastroenterol Hepatol. 2008 Aug;6(8):842-848.e3. doi: 10.1016/j.cgh.2008.03.023. Epub 2008 Jun 27.Clin Gastroenterol Hepatol. 2008.PMID: 18585978Review.