title: Graphical determination of affinity constant for labeled and unlabeled ligand from angiotensin I radioimmunoassay.
mesh_terms: D000803:Angiotensin I / Q000032:analysis / Q000276:immunology*; D000809:Angiotensins / Q000276:immunology*; D000818:Animals; D000915:Antibody Affinity; D007106:Immune Sera / Q000276:immunology*; D007457:Iodine Radioisotopes; D007553:Isotope Labeling; D008433:Mathematics; D011817:Rabbits; D011863:Radioimmunoassay / Q000379:methods*
chemical_list: D000809:Angiotensins; D007106:Immune Sera; D007457:Iodine Radioisotopes; D000803:Angiotensin I