Hyun Cheol Koo

Overtube-balloon–assisted direct peroral cholangioscopy by using an ultra-slim upper endoscope (with videos)

Hyun Jong Choi, Jong Ho Moon, Bong Min Ko et al. · Gastrointestinal Endoscopy · 2009 · 116 citations

Medicine, Gastroenterology, Gi Technique +5

Direct Peroral Cholangioscopy Using an Ultra-Slim Upper Endoscope for the Treatment of Retained Bile Duct Stones

Jong Ho Moon, Bong Min Ko, Hyun Jong Choi et al. · The American Journal of Gastroenterology · 2009 · 103 citations

Effect of Biliary Stenting Combined With Ursodeoxycholic Acid and Terpene Treatment on Retained Common Bile Duct Stones in Elderly Patients: A Multicenter Study

Jimin Han, Jong Ho Moon, Hyun Cheol Koo et al. · The American Journal of Gastroenterology · 2009 · 79 citations

Feasibility of placing a modified fully covered self-expandable metal stent above the papilla to minimize stent-induced bile duct injury in patients with refractory benign biliary strictures (with videos)

Jong Ho Moon, Hyun Jong Choi, Hyun Cheol Koo et al. · Gastrointestinal Endoscopy · 2012 · 76 citations

Self-expandable Metal Stent, Eus-guided Gallbladder Drainage, Biliary Tract +4

Combined endoscopic stent-in-stent placement for malignant biliary and duodenal obstruction by using a new duodenal metal stent (with videos)

Jong Ho Moon, Hyun Jong Choi, Bong Min Ko et al. · Gastrointestinal Endoscopy · 2009 · 59 citations

Eus-guided Gallbladder Drainage, Biliary Tract, Lumen-apposing Metal Stent +5