Common bile duct stone removal with overtube-assisted direct peroral cholangioscopy, without balloon inflation, using an ultra-slim gastroscope following electrohydraulic lithotripsy

References

• 1 Moon J H, Ko B M, Choi H J et al. Intraductal balloon-guided direct peroral cholangioscopy with an ultraslim upper endoscope.  Gastrointest Endosc. 2009;  70 297-302
• 2 Moon J H, Ko B M, Choi H J et al. Direct peroral cholangioscopy using an ultra-slim upper endoscope for the treatment of retained bile duct stones.  Am J Gastroenterol. 2009;  104 2729-2733
• 3 Tsou Y K, CH L in, JH T ang et al. Direct POC with ultraslim endoscope and overtube balloon-assisted techinique.  Endoscopy. 2010;  42 681-683
• 4 Choi H J, Moon J H, Ko B M et al. Overtube-balloon-assisted direct peroral cholangioscopy by using an ultra-slim upper endoscopy (with video).  Gastrointest Endosc. 2009;  69 935-940