Vitamin D and Risk of Cognitive Decline in Elderly Persons

Langa, Kenneth M; Llewellyn, D J; Lang, I A; Muniz-Terrera, G; Phillips, C L; Cherubini, A; Ferrucci, L; Melzer, D. (2010). Vitamin D and Risk of Cognitive Decline in Elderly Persons. Archives of Internal Medicine. 170(13), 1135-1141.