Authors: F Marusch; I Gastinger; C Schneider; H Scheidbach; J Konradt; H P Bruch; L Köhler; E Bärlehner; F Köckerling Journal: Dis Colon Rectum Date: 2001-02 Impact factor: 4.585
Authors: A J Pikarsky; Y Saida; T Yamaguchi; S Martinez; W Chen; E G Weiss; J J Nogueras; S D Wexner Journal: Surg Endosc Date: 2002-02-06 Impact factor: 4.584