Organisation of maternal serum alpha fetoprotein screening for fetal neural-tube defects.
D000757:Anencephaly / Q000175:diagnosis*; D005260:Female; D006801:Humans; D009934:Organization and Administration; D011247:Pregnancy; D011296:Prenatal Diagnosis; D016135:Spinal Dysraphism / Q000175:diagnosis*; D006113:United Kingdom; D000509:alpha-Fetoproteins / Q000032:analysis*
D000509:alpha-Fetoproteins