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Vuillemin E, Rifflet H, Oberti F, Calès P, Wion-Barbot N, Ben Bouali A.Vuillemin E, et al. Among authors: cales p.Gastroenterol Clin Biol. 1996;20(5):510-1.Gastroenterol Clin Biol. 1996.PMID: 8761153French.No abstract available.