title: Screening for fetal neural tube defects: rationale and experience.
mesh_terms: D000653:Amniotic Fluid / Q000032:analysis; D003951:Diagnostic Errors; D005260:Female; D005865:Gestational Age; D006801:Humans; D008403:Mass Screening / Q000379:methods; D009436:Neural Tube Defects / Q000175:diagnosis*; D011247:Pregnancy; D011296:Prenatal Diagnosis; D000509:alpha-Fetoproteins / Q000032:analysis
chemical_list: D000509:alpha-Fetoproteins