[A modified catheter for the examination of the common bile duct and sphincter of Oddi].
D001652:Bile Ducts; D002404:Catheterization / Q000600:supply & distribution*; D003135:Common Bile Duct; D004864:Equipment and Supplies; D006801:Humans; D009803:Sphincter of Oddi
BILE DUCTS; CATHETERIZATION/equipment and supplies