1. Vitamin D deficiency;Holick;N Engl J Med,2007
2. Regulation of cutaneous previtamin D3 photosynthesis in man: skin pigment is not an essential regulator;Holick;Science,1981
3. Spectral character of sunlight modulates photosynthesis of previtamin D3 and its photoisomers in human skin;MacLaughlin;Science,1982
4. The impact of routine vitamin supplementation on serum levels of 25 (OH) D3 among the general adult population and patients with chronic kidney disease;Tareen;Ethn Dis,2005
5. Sunscreens suppress cutaneous vitamin D3 synthesis;Matsuoka;J Clin Endocrinol Metab,1987