[Effect of biliary tract obstruction and cholangitis on serum CA 19-9 levels].
D000951:Antigens, Neoplasm / Q000032:analysis*; D000954:Antigens, Surface / Q000032:analysis*; D015295:Antigens, Tumor-Associated, Carbohydrate; D002761:Cholangitis / Q000276:immunology*; D002779:Cholestasis / Q000276:immunology*; D006801:Humans
D000951:Antigens, Neoplasm; D000954:Antigens, Surface; D015295:Antigens, Tumor-Associated, Carbohydrate