From the Centers for Disease Control. Use of folic acid for prevention of spina bifida and other neural tube defects--1983-1991.
D000757:Anencephaly / Q000517:prevention & control; D004677:Encephalocele / Q000517:prevention & control; D005260:Female; D005492:Folic Acid / Q000627:therapeutic use*; D006801:Humans; D007231:Infant, Newborn; D009436:Neural Tube Defects / Q000517:prevention & control*; D011247:Pregnancy; D011256:Pregnancy Outcome; D016135:Spinal Dysraphism / Q000517:prevention & control*
D005492:Folic Acid