Authors: D Bresters; E P Mauser-Bunschoten; H W Reesink; G Roosendaal; C L van der Poel; R A Chamuleau; P L Jansen; C J Weegink; H T Cuypers; P N Lelie Journal: Lancet Date: 1993-07-24 Impact factor: 79.321
Authors: J P Watson; A M Brind; C E Chapman; C L Bates; F K Gould; S J Johnson; A D Burt; J Ferguson; P Simmonds; M F Bassendine Journal: Gut Date: 1996-02 Impact factor: 23.059