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Valla D, Bercoff E, Menu Y, Bataille C, Lebrec D.Valla D, et al. Among authors: bercoff e.Gastroenterology. 1984 Jun;86(6):1400-3.Gastroenterology. 1984.PMID: 6714569
Bataille C, Bercoff E, Lebrec D.Bataille C, et al. Among authors: bercoff e.Rev Med Liege. 1982 Dec 15;37(24):866-8.Rev Med Liege. 1982.PMID: 7167693French.No abstract available.