Authors: E D Srivastava; J R Barton; S O'Mahony; D I Phillips; G T Williams; N Matthews; A Ferguson; J Rhodes Journal: Gut Date: 1991-09 Impact factor: 23.059
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