[Proceedings: Determination of amniotic fluid estrogen (3 fractions) by radioimmunoassay and its clinical evaluation].
D000653:Amniotic Fluid / Q000032:analysis*; D004967:Estrogens / Q000032:analysis*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011863:Radioimmunoassay
D004967:Estrogens