Authors: R J Playford; A C Woodman; P Clark; P Watanapa; D Vesey; P H Deprez; R C Williamson; J Calam Journal: Lancet Date: 1993-04-03 Impact factor: 79.321
Authors: D P Calnan; A Fagbemi; J Berlanga-Acosta; T Marchbank; T Sizer; K Lakhoo; A D Edwards; R J Playford Journal: Gut Date: 2000-11 Impact factor: 23.059