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Kelly P, Jack DL, Naeem A, Mandanda B, Pollok RC, Klein NJ, Turner MW, Farthing MJ.Kelly P, et al. Among authors: farthing mj.Gastroenterology. 2000 Nov;119(5):1236-42. doi: 10.1053/gast.2000.19573.Gastroenterology. 2000.PMID: 11054381