title: Letter: Screening for spina bifida.
mesh_terms: D000032:Abortion, Therapeutic; D000510:Alpha-Globulins / Q000032:analysis; D000649:Amniocentesis; D000653:Amniotic Fluid / Q000032:analysis; D003657:Decision Making; D005260:Female; D005326:Fetal Proteins / Q000032:analysis; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis; D016135:Spinal Dysraphism / Q000175:diagnosis*
chemical_list: D000510:Alpha-Globulins; D005326:Fetal Proteins