title: Vitamin supplementation and neural tube defects.
mesh_terms: D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000517:prevention & control*; D008431:Maternal-Fetal Exchange; D009436:Neural Tube Defects / Q000517:prevention & control*; D011247:Pregnancy; D014815:Vitamins / Q000008:administration & dosage*
chemical_list: D014815:Vitamins