Spina bifida and vitamins.
D000014:Abnormalities, Drug-Induced / Q000209:etiology*; D000818:Animals; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D009436:Neural Tube Defects / Q000517:prevention & control; D011247:Pregnancy; D051381:Rats; D014801:Vitamin A / Q000009:adverse effects*
D014801:Vitamin A