title: Letter: False-positive results in antenatal diagnosis of neural-tube disorders.
mesh_terms: D000510:Alpha-Globulins / Q000378:metabolism; D000653:Amniotic Fluid / Q000378:metabolism; D000757:Anencephaly / Q000175:diagnosis*; D002490:Central Nervous System / Q000002:abnormalities / Q000196:embryology; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis*; D005326:Fetal Proteins / Q000378:metabolism; D005865:Gestational Age; D006801:Humans; D008722:Methods; D011247:Pregnancy; D011296:Prenatal Diagnosis; D016135:Spinal Dysraphism / Q000175:diagnosis*
chemical_list: D000510:Alpha-Globulins; D005326:Fetal Proteins