title: Narrow band imaging of the bile duct.
authors: Shai
authors: S
authors: Friedland
mesh_terms: D001660:Biliary Tract Diseases / Q000175:diagnosis*; D003937:Diagnosis, Differential; D020776:Endoscopes, Gastrointestinal; D016099:Endoscopy, Gastrointestinal / Q000379:methods*; D004867:Equipment Design; D006801:Humans; D015203:Reproducibility of Results; D014741:Video Recording / Q000379:methods*