Hip fractures and bone mineral density in the elderly–importance of serum 25-hydroxyvitamin D..

Steingrimsdottir L, Halldorsson TI, Siggeirsdottir K, Cotch MF, Einarsdottir BO, Eiriksdottir G, Sigurdsson S, Launer LJ, Harris TB, Gudnason V, Sigurdsson G. PLoS One. 2014;9(3):e91122. PMID24621578