title: [Rapid radioimmunoassay of urinary beta-human chorionic gonadotropin (hCG-RIA) in the diagnosis of early pregnancy].
mesh_terms: D006063:Chorionic Gonadotropin / Q000652:urine*; D018997:Chorionic Gonadotropin, beta Subunit, Human; D005260:Female; D006801:Humans; D010446:Peptide Fragments / Q000652:urine*; D011247:Pregnancy; D011258:Pregnancy Tests; D011261:Pregnancy Trimester, First; D011863:Radioimmunoassay
chemical_list: D006063:Chorionic Gonadotropin; D018997:Chorionic Gonadotropin, beta Subunit, Human; D010446:Peptide Fragments