title: Syntheses of new haptens for radioimmunoassay of estradiol.
mesh_terms: D004958:Estradiol / Q000031:analogs & derivatives / Q000097:blood* / Q000138:chemical synthesis; D006241:Haptens; D011863:Radioimmunoassay
chemical_list: D006241:Haptens; D004958:Estradiol