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Stevens T, Conwell DL, Zuccaro G Jr, Lewis SA, Love TE.Stevens T, et al.Am J Gastroenterol. 2007 Feb;102(2):297-301. doi: 10.1111/j.1572-0241.2006.00949.x. Epub 2006 Nov 13.Am J Gastroenterol. 2007.PMID: 17100964