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DuPont HL, Ericsson CD, Mathewson JJ, Palazzini E, DuPont MW, Jiang ZD, Mosavi A, de la Cabada FJ.DuPont HL, et al. Among authors: jiang zd.Digestion. 1998 Nov-Dec;59(6):708-14. doi: 10.1159/000007580.Digestion. 1998.PMID: 9813398Clinical Trial.