We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleValidation of the assessment of folate and vitamin B12 intake in women of reproductive age: the method of triads.AuthorsVerkleij-Hagoort AC; de Vries JH; Stegers MP; Lindemans J; Ursem NT; Steegers-Theunissen RPPublicationEuropean journal of clinical nutrition, 2007, Vol 61, Issue 5, p610ISSN0954-3007Publication typearticleDOI10.1038/sj.ejcn.1602581