Vitamin D Research
Vitamin D intake and risk of cardiovascular disease in US men and women
Health Canada Vitamin D Mongraph
Prevalence of suboptimal vitamin D
Vitamin D Deficiency and Risk of Cardiovascular Disease
Vitamin D Status and Early Age-Related Macular Degeneration in Postmenopausal Women
Vitamin D3 Is More Potent Than Vitamin D2 in Humans
Neurology Journal: Relationship of UV exposure to prevalence of multiple sclerosis in England