title: Serum beta-ELI circulating levels and primary amenorrhea.
mesh_terms: D000568:Amenorrhea / Q000097:blood* / Q000188:drug therapy; D006063:Chorionic Gonadotropin / Q000627:therapeutic use; D004723:Endorphins / Q000097:blood*; D005260:Female; D005640:Follicle Stimulating Hormone / Q000097:blood; D006801:Humans; D007986:Luteinizing Hormone / Q000097:blood; D008596:Menotropins / Q000627:therapeutic use; D008598:Menstruation; D011388:Prolactin / Q000097:blood; D001615:beta-Endorphin
chemical_list: D006063:Chorionic Gonadotropin; D004723:Endorphins; D001615:beta-Endorphin; D008596:Menotropins; D011388:Prolactin; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone