Prevalence of vitamin D deficiency and association with functional status in newly admitted male veteran nursing home residents.
Kojima G, Tamai A, Masaki K, Gatchell G, Epure J, China C, Ross GW, Petrovitch H, Tanabe M. Prevalence of vitamin D deficiency and association with functional status in newly admitted male veteran nursing home residents. J Am Geriatr Soc. 2013 Nov; 61(11):1953-7.