[Proceedings: Simultaneous determination of blood and urinary HCG and observation of its daily differences and circadian rhythm for prevention of abortion].
D000033:Abortion, Threatened / Q000175:diagnosis*; D006063:Chorionic Gonadotropin / Q000032:analysis* / Q000097:blood / Q000652:urine; D002940:Circadian Rhythm; D005260:Female; D006801:Humans; D011247:Pregnancy
D006063:Chorionic Gonadotropin