Endoscopy, Table of Contents Endoscopy 1992; 24(1/02): 1-8DOI: 10.1055/s-2007-1010434 © Georg Thieme Verlag KG Stuttgart · New YorkPreparation, Premedication and SurveillanceG. Bianchi Porro, M. Lazzaroni Gastrointestinal Unit, L. Sacco Hospital, Milano, Italy Recommend Article Abstract PDF Download Buy Article PDF (1832 kb)