Endoscopy, Table of Contents Endoscopy 1998; 30(2): 150-157DOI: 10.1055/s-2007-1001241 © Georg Thieme Verlag KG Stuttgart · New York Colonic Tumors J. H. Bond Gastroenterology Section, Minneapolis VA Medical Center and University of Minnesota, Minneapolis, Minnesota, USA Recommend Article Abstract PDF Download Buy Article PDF (2131 kb)