Patients with echocardiographic aortic valve calcium or mitral annular calcium have an increased prevalence of moderate or severe coronary artery calcium diagnosed by cardiac computed tomography - Kaplan, Sarah; Aronow, Wilbert S; Lai, Hoang; Dilmanian, Hajir; DeLuca, Albert J; Weiss, Melvin B; Belkin MD, Robert N (International Journal of Angiology, 2007)