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nightsurfer on 2009-11-1425-hydroxyvitamin D levels and the risk of mortality in the general population.
Melamed ML, Michos ED, Post W, Astor B.
Arch Intern Med. 2008 Aug 11;168(15):1629-37.
Conclusion The lowest quartile of 25(OH)D level (<17.8 ng/mL) is independently associated with all-cause mortality in the general population.