Su1640 Additional Sphincterotomy Versus Endoscopic Papillary Balloon Dilation for the Management of Recurrent Difficult Bile Duct Stone After Previous Endoscopic Sphincterotomy
作者
Dong Uk Kim,Dong Hoon Baek,Geun Am Song,Gwang Ha Kim,Joon Hyung Jhi,Hyun Jeong Lee