Vitamin supplements to prevent neural tube defects.
D000328:Adult; D002648:Child; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D009436:Neural Tube Defects / Q000517:prevention & control*; D009747:Nutritional Physiological Phenomena; D011247:Pregnancy; D014815:Vitamins / Q000627:therapeutic use*
D014815:Vitamins