title: [Immunohistochemical study of CEA and CA 19-9 in biliary tract epithelium--using biopsied specimens taken by percutaneous transhepatic cholangioscopy].
mesh_terms: D000951:Antigens, Neoplasm / Q000032:analysis*; D015295:Antigens, Tumor-Associated, Carbohydrate; D001659:Biliary Tract / Q000276:immunology* / Q000473:pathology; D001661:Biliary Tract Neoplasms / Q000276:immunology* / Q000473:pathology; D001706:Biopsy; D002272:Carcinoembryonic Antigen / Q000032:analysis*; D004724:Endoscopy; D004848:Epithelium / Q000276:immunology; D006651:Histocytochemistry; D006801:Humans; D007124:Immunoenzyme Techniques; D009367:Neoplasm Staging
chemical_list: D000951:Antigens, Neoplasm; D015295:Antigens, Tumor-Associated, Carbohydrate; D002272:Carcinoembryonic Antigen