Authors: J Tack; J Janssens; G Vantrappen; T Peeters; V Annese; I Depoortere; E Muls; R Bouillon Journal: Gastroenterology Date: 1992-07 Impact factor: 22.682
Authors: S K Sarna; K H Soergel; T R Koch; J E Stone; C M Wood; R P Ryan; R C Arndorfer; J H Cavanaugh; H N Nellans; M B Lee Journal: Gastroenterology Date: 1991-12 Impact factor: 22.682