title: Clinical significance of endoscopic retrograde choelangiography (ERC) on operated cases.
mesh_terms: D000328:Adult; D000368:Aged; D001660:Biliary Tract Diseases / Q000000981:diagnostic imaging* / Q000601:surgery; D002760:Cholangiopancreatography, Endoscopic Retrograde; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D014463:Ultrasonography