title: [Radioreceptor assay of estrogen].
mesh_terms: D000818:Animals; D002499:Centrifugation, Density Gradient; D004967:Estrogens / Q000032:analysis*; D005260:Female; D006801:Humans; D008297:Male; D011869:Radioligand Assay / Q000379:methods*; D051381:Rats; D013737:Testis / Q000032:analysis
chemical_list: D004967:Estrogens