title: An external quality control survey of the radioimmunoassay of hormones in reproductive physiology [proceedings].
mesh_terms: D012739:Gonadal Steroid Hormones / Q000032:analysis*; D006728:Hormones / Q000032:analysis*; D006801:Humans; D011786:Quality Control; D011863:Radioimmunoassay / Q000592:standards*; D014944:World Health Organization
chemical_list: D012739:Gonadal Steroid Hormones; D006728:Hormones