We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleAssociation of serum 25-hydroxyvitamin D3and D2with academic performance in childhood: findings from a prospective birth cohortAuthorsTolppanen, Anna-Maija; Sayers, Adrian; Fraser, William D; Lawlor, Debbie APublicationJournal of Epidemiology and Community Health, 2012, Vol 66, Issue 12, p1137ISSN0143-005xPublication typearticleDOI10.1136/jech-2011-200114