title: Reappraisal of the causes of the "hook effect" in two-site immunoradiometric assays.
mesh_terms: D001666:Binding Sites, Antibody; D001667:Binding, Competitive; D005293:Ferritins / Q000032:analysis*; D008433:Mathematics; D008956:Models, Chemical; D011863:Radioimmunoassay / Q000379:methods*
chemical_list: D005293:Ferritins