We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleVitamin D fortification in the United States and Canada: current status and data needsAuthorsCalvo, Mona S; Whiting, Susan J; Barton, Curtis NPublicationThe American Journal of Clinical Nutrition, 2004, Vol 80, Issue 6, p1710SISSN0002-9165Publication typearticleDOI10.1093/ajcn/80.6.1710s