title: A competitive enzyme-immunoassay using labelled antibody.
mesh_terms: D000888:Antibodies, Anti-Idiotypic / Q000032:analysis; D000941:Antigens / Q000032:analysis; D007124:Immunoenzyme Techniques; D007074:Immunoglobulin G / Q000032:analysis*
chemical_list: D000888:Antibodies, Anti-Idiotypic; D000941:Antigens; D007074:Immunoglobulin G