
Endoscopic Retrograde Cholangiopancreatography for Primary Sclerosing Cholangitis
Keywords: کلانژیت اسکلروئیدی اولیه; Primary sclerosing cholangitis; Bile duct stricture; Dominant stricture; ERCP; Cholangioscopy; Choledochoscopy; Biliary drainage; Bile duct sampling;