title: Prevention of neural tube defect recurrences in Yorkshire: final report.
authors.forename: R W
authors.initials: RW
authors.lastname: Smithells
authors.forename: S
authors.initials: S
authors.lastname: Sheppard
authors.forename: J
authors.initials: J
authors.lastname: Wild
authors.forename: C J
authors.initials: CJ
authors.lastname: Schorah
mesh_terms: D004338:Drug Combinations / Q000627:therapeutic use; D004739:England; D005260:Female; D005527:Food, Fortified; D006801:Humans; D007231:Infant, Newborn; D008903:Minerals / Q000627:therapeutic use*; D015337:Multicenter Studies as Topic; D009436:Neural Tube Defects / Q000453:epidemiology / Q000517:prevention & control*; D011247:Pregnancy; D011446:Prospective Studies; D012189:Retrospective Studies; D014481:United States; D014815:Vitamins / Q000627:therapeutic use*
chemical_list: D004338:Drug Combinations; D008903:Minerals; D014815:Vitamins; C045700:Pregnavite forte F