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Page AJ, Young RL, Martin CM, Umaerus M, O'Donnell TA, Cooper NJ, Coldwell JR, Hulander M, Mattsson JP, Lehmann A, Blackshaw LA.Page AJ, et al.Gastroenterology. 2005 Feb;128(2):402-10. doi: 10.1053/j.gastro.2004.11.062.Gastroenterology. 2005.PMID: 15685551