Spina bifida and vitamins.
D000328:Adult; D002972:Cleft Palate / Q000139:chemically induced*; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D009436:Neural Tube Defects / Q000517:prevention & control*; D011247:Pregnancy; D014801:Vitamin A / Q000009:adverse effects*
D014801:Vitamin A