We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleQuantifying the effect of folic acid.AuthorsWald, N J; Law, M R; Morris, J K; Wald, D SAbstractFolic acid is known to prevent neural-tube defects (NTDs) but the size of the effect for a given dose is unclear. We aimed to quantify such an effect.PublicationLancet (London, England), 2001, Vol 358, Issue 9298, p2069ISSN0140-6736Publication typeJournal ArticleDOI10.1016/s0140-6736(01)07104-5