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Delayed Endoscopic Papillary Large Balloon Dilation after Sphincterotomy for Removing Large Bile Duct Stones in Patients with Acute Cholangitis. Dig Dis Sci. 2014;59:1302-1306

The Efficacy of Clinical Predictors for Patients with Intermediate Risk of Coledocholithiasis. Digestion 2016;94:100-105

Assessment of the Length of Myotomy in Peroral Endoscopic Pyloromyotomy (G-POEM) Using a Submucosal Tunnel Technique (Video). Surg Endosc 2015; 29:2377-2384

Prospective, Randomized Comparison of a Prototype Endoscope with Deflecting Working Channels Versus a Conventional Double-Channel Endoscope for Rectal Endoscopic Submucosal Dissection in an Established Experimental Simulation Model (with Video). Gastrointest Endosc. 2013;78:756-62

Effectiveness of Circumferential Endoscopic Mucosal Resection with a Novel Tissue-Anchoring Device. World J Gastrointest Endosc 2013 Jun 16;5(6):275-280

Impact of patient education with cartoon visual aids on the quality of bowel preparation for colonoscopy. Gastrointest Endosc 2012;76:804-11 * Co-first author

A Case of Enteropathy-type T Cell Lymphoma Diagnosed by Small Bowel Enteroscopy.; A Perspective on Imaging Enhanced Endoscopy. Gut and Liver 2012;6:516-9

Holmium laser lithotripsy under direct peroral cholangioscopy by using an ultra-slim upper endoscope for patients with retained bile duct stones (with video). Gastrointest Endosc 2011;74:1127-1132

The Role of Intraductal US in the Management of Idiopathic Recurrent Pancreatitis without a Definite Cause on ERCP. Gastrointest Endosc 2011;73:1148-1154

Endoscopic Hemostasis Using N-Butyl-2-Cyanoacrylate for Massive Gastric Bleeding during Endoscopic Transgastric Drainage of a Pancreatic Pseudocyst. Digestive Endoscopy 2011;23:326-327

Comparison among Endoscopic Variceal Obliteration, Endoscopic Band Ligation, and Balloon-occluded Retrograde Transvenous Obliteration for Prophylaxis of Gastric Variceal Bleeding. Korean J Gastoenterol 2011;5:302-308

A Validated Tool for Psychiatric Comorbidity in the Patients with Functional Dyspepsia. Journal of Neurogastroenterology and Motility. 2010;16:221

Two Cases of Direct Peroral Cholangioscopy Using an Ultra-Slim Upper Endoscope after Endoscopic Stone Removal. Korean J Gastrointestinal Endosc 2007;35:373-377