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Sonu IS, Blonski W, Lin MV, Lewis J, Aberra F, Lichtenstein GR.Sonu IS, et al.World J Gastroenterol. 2013 Feb 21;19(7):1079-84. doi: 10.3748/wjg.v19.i7.1079.World J Gastroenterol. 2013.PMID: 23467027Free PMC article.