1. Vitamin D for prevention of chronic disease: the need for continued research;Neale;Intern Med J,2008
2. IARC Working Group Report 5: Vitamin D and Cancer http://www.iarc.fr/en/Media-Centre/IARC-News/Vitamin-d-and-cancer
3. The association of solar ultraviolet B (UVB) with reducing risk of cancer: multifactorial ecologic analysis of geographic variation in age-adjusted cancer mortality rates;Grant;Anticancer Res,2006
4. A critical review of Vitamin D and cancer: a report of the IARC Working Group on vitamin D;Grant;Dermato-Endocrinology,2009
5. Optimal vitamin D status for colorectal cancer prevention a quantitative meta analysis;Gorham;Am J Prev Med,2007