150 H. Dobnig et al., “Independent association of low serum 25-hydroxyvitamin D and 1,25-dihydroxyvitamin D levels with all-cause and cardiovascular mortality.” Archives of Internal Medicine 168, no. 12 (June 2008): 1340–49.

151 J. A. Ford et al., “Cardiovascular disease and vitamin D supplementation: trial analysis, systematic review, and meta-analysis.” American Journal of Clinical Nutrition 100, no. 3 (September 2014): 746–55.

152 G. Bjelakovic et al., “Vitamin D supplementation for prevention of mortality in adults.” Cochrane Database of Systematic Reviews 1 (January 2014): CD007470.

153 Y. Zheng et al., “Meta-analysis of long-term vitamin D supplementation on overall mortality.” PloS One 8, no. 12 (January 2013): e82109.

154 P. Autier et al., “Vitamin D status and ill health: a systematic review.” Lancet Diabetes and Endocrinology 2, no. 1 (January 2014): 76–89.

155 K. M. Sanders et al., “Annual high-dose oral vitamin D and falls and fractures in older women: a randomized controlled trial.” JAMA 303, no. 18 (May 2010): 1815–22.

156 C. Annweiler et al., “Higher vitamin D dietary intake is associated with lower risk of Alzheimer’s disease: a 7-year follow-up.” Journals of Gerontology. Series A, Biological Sciences and Medical Sciences 67, no. 11 (November 2012): 1205–11.

157 S. Cockayne et al., “Vitamin K and the prevention of fractures: systematic review and meta-analysis of randomized controlled trials.” Archives of Internal Medicine 166, no. 12 (June 2006): 1256–61.

158 K. M. McCabe et al., “Dietary vitamin K and therapeutic warfarin alter the susceptibility to vascular calcification in experimental chronic kidney disease.” Kidney International 83, no. 5 (May 2013): 835–44.

159 J. W. J. Beulens et al., “High dietary menaquinone intake is associated with reduced coronary calcification.” Atherosclerosis 203, no. 2 (April 2009): 489–93.