Authors: T Mitsudomi; T Matsusaka; K Wakasugi; M Takenaka; K Kume; Y Fujinaga; H Teraoka; A Iwashita Journal: World J Surg Date: 1989 Mar-Apr Impact factor: 3.352
Authors: K Ziegler; C Sanft; T Zimmer; M Zeitz; D Felsenberg; H Stein; C Germer; C Deutschmann; E O Riecken Journal: Gut Date: 1993-05 Impact factor: 23.059