Endoscopic retrograde cholangiography.
D001660:Biliary Tract Diseases / Q000000981:diagnostic imaging; D002758:Cholangiography / Q000009:adverse effects / Q000379:methods; D002761:Cholangitis / Q000000981:diagnostic imaging; D002769:Cholelithiasis / Q000000981:diagnostic imaging; D004724:Endoscopy / Q000009:adverse effects; D005336:Fiber Optic Technology; D006801:Humans; D008297:Male; D008875:Middle Aged; D010182:Pancreatic Diseases / Q000000981:diagnostic imaging*