
Transpapillary Cholangioscopy-Directed Lithotripsy in Patients With Difficult Bile Duct Stones
Keywords: CP; cholangioscopy; EHL; electrohydraulic lithotripsy; ERCP; endoscopic retrograde cholangiopancreatography; ESWL; extracorporeal shock wave lithotripsy; PSC; primary sclerosing cholangitis;