title: Comparison of carcinoembryonic antigen (CEA) methodologies.
mesh_terms: D000645:Ammonium Sulfate; D002272:Carcinoembryonic Antigen / Q000032:analysis*; D005069:Evaluation Studies as Topic; D006801:Humans; D011863:Radioimmunoassay; D015040:Zirconium
chemical_list: D002272:Carcinoembryonic Antigen; D015040:Zirconium; D000645:Ammonium Sulfate