We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleEstimation of the dietary requirement for vitamin D in free-living adults ≥64 y of ageAuthorsCashman, Kevin D; Wallace, Julie MW; Horigan, Geraldine; Hill, Tom R; Barnes, Maria S; Lucey, Alice J; Bonham, Maxine P; Taylor, Nicola; Duffy, Emeir M; Seamans, Kelly; Muldowney, Siobhan; FitzGerald, Anthony P; Flynn, Albert; Strain, JJ; Kiely, MaireadPublicationThe American Journal of Clinical Nutrition, 2009, Vol 89, Issue 5, p1366ISSN0002-9165Publication typearticleDOI10.3945/ajcn.2008.27334