RT Journal Article SR Electronic T1 Novel device for measuring polyp size: an ex vivo animal study JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP gutjnl-2017-314829 DO 10.1136/gutjnl-2017-314829 A1 Omer Goldstein A1 Ori Segol A1 Peter D Siersema A1 Harold Jacob A1 Seth A Gross YR 2017 UL http://gut.bmj.com/content/early/2017/09/21/gutjnl-2017-314829.abstract AB