title: Comparison of human chorionic somatomammotropin (HCS) standards for radioimmunoassay.
mesh_terms: D006063:Chorionic Gonadotropin / Q000592:standards*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011863:Radioimmunoassay
chemical_list: D006063:Chorionic Gonadotropin