title: Common duct obstruction relieved by injection of a topical anesthetic into T tube.
mesh_terms: D000772:Anesthesia, Local; D000777:Anesthetics; D001652:Bile Ducts; D002779:Cholestasis; D006801:Humans; D007267:Injections
chemical_list: D000777:Anesthetics
keywords: BILE DUCTS/obstruction