title: Improved antisera for the specific radioimmunoassay of oestetrol.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D003429:Cross Reactions; D004953:Estetrol / Q000032:analysis* / Q000276:immunology; D004964:Estriol / Q000031:analogs & derivatives*; D011817:Rabbits; D011863:Radioimmunoassay / Q000379:methods*
chemical_list: D004953:Estetrol; D004964:Estriol