title: Maternal serum alphafetoprotein screening for open neural tube defects: revised statistical parameters.
authors.forename: N J
authors.initials: NJ
authors.lastname: Wald
authors.forename: A K
authors.initials: AK
authors.lastname: Hackshaw
authors.forename: H S
authors.initials: HS
authors.lastname: Cuckle
mesh_terms: D005260:Female; D006801:Humans; D009436:Neural Tube Defects / Q000175:diagnosis*; D011247:Pregnancy; D011248:Pregnancy Complications / Q000097:blood*; D016135:Spinal Dysraphism / Q000175:diagnosis; D000509:alpha-Fetoproteins / Q000032:analysis*
chemical_list: D000509:alpha-Fetoproteins