Successful Endoscopic EN Bloc Removals of Colorectal Tumors By Endoscopic Submucosal Dissection Using a Flex Knife and a Mixture of High-Molecular-Weight Hyaluronic Acid and a Glycerin Plus Sugar SolutionMitsuhiro Fujishiro, Masao Omata, Naomi Kakushima et al.|Gastrointestinal Endoscopy|2005Cited by 2