Vitamins and neural-tube defects.
D000014:Abnormalities, Drug-Induced / Q000209:etiology; D000818:Animals; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008431:Maternal-Fetal Exchange; D009436:Neural Tube Defects / Q000517:prevention & control*; D011247:Pregnancy; D014801:Vitamin A / Q000009:adverse effects*
D014801:Vitamin A