Choledochoscopy.
D001652:Bile Ducts / Q000601:surgery; D001706:Biopsy; D002763:Cholecystectomy / Q000379:methods; D002769:Cholelithiasis / Q000601:surgery / Q000628:therapy*; D019723:Endoscopes; D004724:Endoscopy / Q000379:methods; D005336:Fiber Optic Technology / Q000295:instrumentation; D006801:Humans; D010781:Photography / Q000295:instrumentation; D011184:Postoperative Period; D013242:Sterilization / Q000379:methods