Prenatal detection of neural tube defects: false positive and negative results.
D000653:Amniotic Fluid / Q000032:analysis; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis*; D005326:Fetal Proteins / Q000032:analysis; D006801:Humans; D008423:Maternal Age; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011262:Pregnancy Trimester, Second; D011296:Prenatal Diagnosis; D016135:Spinal Dysraphism / Q000175:diagnosis*; D014465:Ultrasonics
D005326:Fetal Proteins