Cross-sectional association of kidney function with valvular and annular calcification: the Framingham heart study.
Fox CS, Larson MG, Vasan RS, Guo CY, Parise H, Levy D, Leip EP, O'donnell CJ, D'Agostino RB, Benjamin EJ. Cross-sectional association of kidney function with valvular and annular calcification: the Framingham heart study. J Am Soc Nephrol. 2006 Feb; 17(2):521-7.