title: The carbohydrate antigenic determinant 19-9 (CA 19-9): a monoclonal antibody defined tumor marker.
mesh_terms: D000911:Antibodies, Monoclonal; D000951:Antigens, Neoplasm / Q000032:analysis*; D001661:Biliary Tract Neoplasms / Q000175:diagnosis; D003110:Colonic Neoplasms / Q000175:diagnosis; D000939:Epitopes / Q000032:analysis*; D006801:Humans; D008113:Liver Neoplasms / Q000175:diagnosis; D009369:Neoplasms / Q000175:diagnosis*; D010190:Pancreatic Neoplasms / Q000175:diagnosis; D011863:Radioimmunoassay / Q000379:methods*
chemical_list: D000911:Antibodies, Monoclonal; D000951:Antigens, Neoplasm; D000939:Epitopes