title: Reply.
authors.affiliation: Hepato-Gastroenterology Department, Institut Mutualiste Montsouris and Hepato-Gastroenterology Department, Saint-Louis Hospital APHP, Paris, France.
authors.forename: Marion
authors.initials: M
authors.lastname: Simon
authors.affiliation: Hepato-Gastroenterology Department, Claude Huriez Hospital, University of Lille 2, Lille, France.
authors.forename: Benjamin
authors.initials: B
authors.lastname: Pariente
authors.affiliation: Hepato-Gastroenterology Department, Saint-Louis Hospital APHP, Paris, France.
authors.forename: Jean-Marc
authors.initials: JM
authors.lastname: Gornet
mesh_terms: D000328:Adult; D003424:Crohn Disease; D006801:Humans; D013792:Thalidomide
chemical_list: D013792:Thalidomide