title: Operative choledochoscopy: technique and indications.
mesh_terms: D001652:Bile Ducts / Q000033:anatomy & histology / Q000601:surgery*; D001660:Biliary Tract Diseases / Q000473:pathology; D001706:Biopsy; D019723:Endoscopes; D004724:Endoscopy / Q000379:methods*; D042882:Gallstones / Q000175:diagnosis; D006801:Humans; D013242:Sterilization / Q000379:methods