Authors: R J Motley; J Rhodes; G A Ford; S P Wilkinson; I M Chesner; P Asquith; M D Hellier; J F Mayberry Journal: Digestion Date: 1987 Impact factor: 3.216
Authors: M Cottone; M Rosselli; A Orlando; L Oliva; A Puleo; M Cappello; M Traina; F Tonelli; L Pagliaro Journal: Gastroenterology Date: 1994-03 Impact factor: 22.682
Authors: F J Zijlstra; E D Srivastava; M Rhodes; A P van Dijk; F Fogg; H J Samson; M Copeman; M A Russell; C Feyerabend; G T Williams Journal: Gut Date: 1994-02 Impact factor: 23.059