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François E, García-Pagán JC, Bru C, Feu F, Gilabert R, Escorsell A, Bosch J, Rodés J.François E, et al. Among authors: feu f.Gastroenterol Hepatol. 1997 Jan;20(1):1-4.Gastroenterol Hepatol. 1997.PMID: 9072189Spanish.