Endoscopy, Table of Contents Endoscopy 2004; 36(6): 569DOI: 10.1055/s-2004-814426 Letter to the Editor© Georg Thieme Verlag Stuttgart · New YorkReply to Drs Heuss and BeglingerG. M. Naylor1 , S. O’Mahony1 1Centre for Digestive Diseases, General Infirmary at Leeds, Leeds, United Kingdom Recommend Article Abstract Buy Article Full Text