Estimation of progesterone in biological tissues and fluids from pregnant women by double isotope derivative assay.
D000653:Amniotic Fluid / Q000032:analysis; D005321:Extraembryonic Membranes / Q000032:analysis; D005260:Female; D006801:Humans; D010920:Placenta / Q000032:analysis; D011247:Pregnancy; D011374:Progesterone / Q000032:analysis* / Q000097:blood
D011374:Progesterone