Coronary artery calcium and physical performance as determinants of mortality in older age: The AGES-Reykjavik Study..

von Bonsdorff MB, Groffen DA, Vidal JS, Rantanen T, Jonsson PV, Garcia M, Aspelund T, Eiriksdottir G, Siggeirsdóttir K, Launer L, Gudnason V, Harris TB; For the Age, Gene/Environment Susceptibility–Reykjavik Study Investigators. Int J Cardiol. 2013 Oct 3;168(3):2094-9