Lifelong physical activity in maintaining bone strength in older men and women of the Age, Gene/Environment Susceptibility-Reykjavik Study..

Rianon NJ, Lang TF, Sigurdsson G, Eiriksdottir G, Sigurdsson S, Garcia M, Pajala S, Koster A, Yu B, Selwyn BJ, Taylor WC, Kapadia AS, Gudnason V, Launer LJ, Harris TB. Osteoporos Int. 2012 Sept;(9):2303-12