RT Journal Article SR Electronic T1 Endoscopic submucosal dissection of an unusual flat rectal neoplasm JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 180 OP 180 DO 10.1136/gutjnl-2014-308298 VO 64 IS 1 A1 Francesco Azzolini A1 Paolo Cecinato A1 Veronica Iori A1 Loredana De Marco A1 Ramona Zecchini A1 Cristina Fodero A1 Cristiana Tioli A1 Romano Sassatelli YR 2015 UL http://gut.bmj.com/content/64/1/180.abstract AB