Letter: Screening for spina bifida.
D000028:Abortion, Induced; D000510:Alpha-Globulins / Q000032:analysis; D001294:Attitude to Health; D005260:Female; D005326:Fetal Proteins / Q000032:analysis; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis; D016135:Spinal Dysraphism / Q000175:diagnosis*
D000510:Alpha-Globulins; D005326:Fetal Proteins