title: Initial detection of human chorionic gonadotropin in serum in normal human gestation.
mesh_terms: D006063:Chorionic Gonadotropin / Q000097:blood*; D005260:Female; D006801:Humans; D007986:Luteinizing Hormone / Q000097:blood; D008598:Menstruation; D011247:Pregnancy; D011863:Radioimmunoassay; D013997:Time Factors
chemical_list: D006063:Chorionic Gonadotropin; D007986:Luteinizing Hormone