title: A practical model for steroid hormone radioimmunoassays.
mesh_terms: D001665:Binding Sites; D006728:Hormones / Q000032:analysis* / Q000276:immunology; D007700:Kinetics; D008024:Ligands; D008433:Mathematics; D011863:Radioimmunoassay / Q000379:methods*; D013256:Steroids / Q000032:analysis* / Q000276:immunology
chemical_list: D006728:Hormones; D008024:Ligands; D013256:Steroids