RT Journal Article SR Electronic T1 Lumen-apposing metal stent acted as an interim role in walled-off necrosis drainage JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 2255 OP 2256 DO 10.1136/gutjnl-2018-317494 VO 68 IS 12 A1 Huiyun Zhu A1 Han Lin A1 Xiangyu Kong A1 Zhendong Jin A1 Zhaoshen Li A1 Yiqi Du YR 2019 UL http://gut.bmj.com/content/68/12/2255.abstract AB