title: [Reply from Denis Grasset, Christian Seigneuric and Jean-Jacques Morfoisse to Bernard Maroy and Philippe Moullot].
authors.affiliation: Service de Gastroenterologie, Centre Hospitalier General, BP 765, 82013 Montauban Cedex.
authors.forename: D
authors.initials: D
authors.lastname: Grasset
authors.forename: C
authors.initials: C
authors.lastname: Seigneuric
authors.forename: J J
authors.initials: JJ
authors.lastname: Morfoisse