title: Scanning electron microscopy of extrahepatic biliary obstruction.
mesh_terms: D001660:Biliary Tract Diseases / Q000473:pathology*; D003135:Common Bile Duct; D006652:Histological Techniques; D008026:Ligation; D008099:Liver / Q000166:cytology / Q000473:pathology*; D008722:Methods; D008855:Microscopy, Electron, Scanning