title: Intraoperative endoscopic evaluation of the bile ducts.
mesh_terms: D001652:Bile Ducts / Q000601:surgery*; D001707:Biopsy, Needle; D002404:Catheterization; D002769:Cholelithiasis / Q000175:diagnosis / Q000601:surgery*; D003135:Common Bile Duct / Q000601:surgery; D019723:Endoscopes; D006500:Hepatic Duct, Common / Q000601:surgery; D006801:Humans; D008722:Methods