Chaput U, Ducrotté P, Denis P, Nouveau J
Department of Gastroenterology, ADEN EA 4311, Rouen University Hospital and Rouen University, 1 rue de Germont, Rouen cedex, France.
Gastroenterol Clin Biol. 2010 Sep;34(8-9):502-4. doi: 10.1016/j.gcb.2010.04.008. Epub 2010 May 27.