Letter: Alpha-fetoprotein as predictor of fetal neural-tube defects.
D000328:Adult; D000653:Amniotic Fluid / Q000032:analysis*; D000757:Anencephaly / Q000175:diagnosis*; D005069:Evaluation Studies as Topic; D005260:Female; D005326:Fetal Proteins / Q000032:analysis*; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis; D016135:Spinal Dysraphism / Q000175:diagnosis*; D000509:alpha-Fetoproteins / Q000032:analysis*
D005326:Fetal Proteins; D000509:alpha-Fetoproteins