Low serum 25-hydroxyvitamin D concentrations are associated with greater all-cause mortality in older community-dwelling women.
Semba RD, Houston DK, Ferrucci L, Cappola AR, Sun K, Guralnik JM, Fried LP.
Nutr Res. 2009 Aug;29(8):525-30.
PMID: 19761886
doi:10.1016/j.nutres.2009.07.007
Older community-dwelling women with low 25(OH)D levels are at an increased risk of death.