Distribution and correlates of serum 25-hydroxyvitamin D levels in a sample of patients with hip fracture.
Pieper CF, Colon-Emeric C, Caminis J, Betchyk K, Zhang J, Janning C, Shostak J, LeBoff MS, Heaney RR, Lyles KW. Distribution and correlates of serum 25-hydroxyvitamin D levels in a sample of patients with hip fracture. Am J Geriatr Pharmacother. 2007 Dec; 5(4):335-40.