Authors: R A Kozarek; T J Ball; D J Patterson; J J Brandabur; L W Traverso; S Raltz Journal: Gastrointest Endosc Date: 1994 Sep-Oct Impact factor: 9.427
Authors: R A Kozarek; T J Ball; D J Patterson; S L Raltz; L W Traverso; J A Ryan; R C Thirlby Journal: J Gastrointest Surg Date: 1997 Jul-Aug Impact factor: 3.452