title: Does taking vitamins at the time of conception prevent neural tube defects?
authors.forename: L B
authors.initials: LB
authors.lastname: Holmes
mesh_terms: D005260:Female; D006801:Humans; D009436:Neural Tube Defects / Q000517:prevention & control*; D011247:Pregnancy; D011295:Prenatal Care / Q000379:methods; D014815:Vitamins / Q000008:administration & dosage*
chemical_list: D014815:Vitamins