Prenatal diagnosis of neural tube defects.
D002493:Central Nervous System Diseases / Q000175:diagnosis / Q000196:embryology*; D000013:Congenital Abnormalities / Q000175:diagnosis*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis; D012306:Risk; D000509:alpha-Fetoproteins / Q000032:analysis
D000509:alpha-Fetoproteins