Endoscopy, Table of Contents Endoscopy 1985; 17(5): 200DOI: 10.1055/s-2007-1013002 LETTERS TO THE EDITOR© Georg Thieme Verlag KG Stuttgart · New YorkLETTER TO THE EDITORSmed. Peter Langhans, med. Knut BöttcherRecommend Article Abstract PDF Download Buy Article See also:The following letter now concludes correspondence on this topicEndoscopy 1985; 17(05): 201-201DOI: 10.1055/s-2007-1018501 PDF (306 kb)
