title: Rapid radioimmunoassay (RIA) of ethynyloestradiol in body fluids.
mesh_terms: D004997:Ethinyl Estradiol / Q000097:blood*; D005260:Female; D006801:Humans; D008297:Male; D011863:Radioimmunoassay / Q000379:methods
chemical_list: D004997:Ethinyl Estradiol