Multivitamin prophylaxis as a cause of neural tube defect.
D000757:Anencephaly / Q000139:chemically induced*; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008431:Maternal-Fetal Exchange; D009436:Neural Tube Defects / Q000139:chemically induced / Q000517:prevention & control*; D009974:Orthomolecular Therapy / Q000009:adverse effects*; D011247:Pregnancy