We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleSunlight, season, skin pigmentation, vitamin D, and 25-hydroxyvitamin D: integral components of the vitamin D endocrine systemAuthorsNorman, AWPublicationThe American Journal of Clinical Nutrition, 1998, Vol 67, Issue 6, p1108ISSN0002-9165Publication typearticleDOI10.1093/ajcn/67.6.1108