title: Pseudocalculus defect in cholangiography.
mesh_terms: D014670:Ampulla of Vater / Q000000981:diagnostic imaging; D000772:Anesthesia, Local; D002758:Cholangiography; D002766:Cholecystokinin / Q000494:pharmacology; D003135:Common Bile Duct / Q000187:drug effects; D003937:Diagnosis, Differential; D042882:Gallstones / Q000000981:diagnostic imaging*; D006801:Humans; D008012:Lidocaine / Q000494:pharmacology; D008297:Male; D008875:Middle Aged; D013997:Time Factors
chemical_list: D002766:Cholecystokinin; D008012:Lidocaine