Endoscopic retrograde cholangiodilatation: a preliminary report.
D000368:Aged; D001660:Biliary Tract Diseases / Q000628:therapy; D002404:Catheterization; D003135:Common Bile Duct; D003251:Constriction, Pathologic / Q000628:therapy; D004106:Dilatation; D004724:Endoscopy; D005260:Female; D006801:Humans