Endoscopy, Table of Contents Endoscopy 1991; 23(6): 342-343DOI: 10.1055/s-2007-1010712 Editorials© Georg Thieme Verlag KG Stuttgart · New YorkBlood Flow Measurement at EndoscopyM. F. Catalano, M. V. Sivak Department of Gastroenterology, Cleveland Clinic Foundation, Cleveland, OH, USA Recommend Article Abstract PDF Download Buy Article PDF (472 kb)