Survival Benefit of Intraductal Radiofrequency Ablation for Malignant Biliary Obstruction: A Systematic Review with Meta-Analysis

by Byung Hyo Cha, Myoung-Jin Jang, Sang Hyub Lee
Published 2021-01-01

Lidocaine spray on an endoscope immediately before insertion improves patient tolerance to endoscopy: A single center, clinical observational study

by Byung Hyo Cha, Ban Seok Lee, Jin-Hyuck Hwang, Sang Hyub Lee, Min Jung Park, Seung Joo Kang
Published 2016-03-01