Letter: Antental diagnosis of spina bifida.
D000029:Abortion, Legal; D004470:Economics, Medical; D005260:Female; D005326:Fetal Proteins / Q000032:analysis*; D006801:Humans; D008403:Mass Screening; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D011296:Prenatal Diagnosis; D016135:Spinal Dysraphism / Q000175:diagnosis*; D000509:alpha-Fetoproteins / Q000032:analysis*
D005326:Fetal Proteins; D000509:alpha-Fetoproteins