Authors: D Heresbach; J L Alexandre; B Branger; J F Bretagne; E Cruchant; A Dabadie; M Dartois-Hoguin; P M Girardot; H Jouanolle; J Kerneis; J C Le Verger; V Louvain; J Politis; M Richecoeur; M Robaszkiewicz; J A Seyrig Journal: Gut Date: 2005-02 Impact factor: 23.059