A sensitive radioimmunoassay for human chorionic  gonadotrophin and luteinizing hormone.
D002624:Chemistry, Clinical; D006063:Chorionic Gonadotropin / Q000097:blood* / Q000652:urine*; D006801:Humans; D007118:Immunoassay; D007456:Iodine Isotopes; D007986:Luteinizing Hormone / Q000097:blood / Q000652:urine
D006063:Chorionic Gonadotropin; D007456:Iodine Isotopes; D007986:Luteinizing Hormone