Folic acid and neural tube defects.
D004992:Ethics, Medical; D005260:Female; D005492:Folic Acid / Q000627:therapeutic use*; D006801:Humans; D009436:Neural Tube Defects / Q000517:prevention & control*; D010342:Patient Acceptance of Health Care; D011247:Pregnancy; D012307:Risk Factors; D014815:Vitamins / Q000627:therapeutic use
D014815:Vitamins; D005492:Folic Acid