Agno FS, Chinali M, Bella JN, Liu JE, Arnett DK, Kitzman DW, Oberman A, Hopkins PN, Rao DC, Devereux RB. Aortic valve sclerosis is associated with preclinical cardiovascular disease in hypertensive adults: the Hypertension Genetic Epidemiology Network study. J Hypertens. 2005 Apr; 23(4):867-73.