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 NJ; Law MR; Morris JK; Wald DS; Wald, N J; Law, M R; Morris, J K; Wald, D SPublicationLancet, 2001, Vol 358, Issue 9298, p2069ISSN0140-6736Publication typearticleDOI10.1016/s0140-6736(01)07104-5