Endoscopy, Table of Contents Endoscopy 1992; 24: 309-314DOI: 10.1055/s-2007-1010489 © Georg Thieme Verlag KG Stuttgart · New York Endosonography of Colorectal Diseases T. L. Tio1 , O. Weijers2 , F. Hulsman2 , L. Jonkers2 , E. Collins2 , L. H. Sie2 , G. N. J. Tytgat2 1Georgetown University Medical Center, Division of Gastroenterology, Washington DC, USA 2Academic Medical Center, Department of Gastroenterology, Amsterdam, The Netherlands Recommend Article Abstract PDF Download Buy Article PDF (1530 kb)