title: Complementing S-peptide as modulator in enzyme immunoassay.
mesh_terms: D000818:Animals; D004789:Enzyme Activation; D007106:Immune Sera; D007124:Immunoenzyme Techniques; D007700:Kinetics; D010446:Peptide Fragments; D011817:Rabbits; D012260:Ribonucleases / Q000378:metabolism*; D013974:Thyroxine / Q000276:immunology
chemical_list: D007106:Immune Sera; D010446:Peptide Fragments; D012260:Ribonucleases; C022542:ribonuclease S; D013974:Thyroxine