Carotid wall thickness is predictive of incident clinical stroke: the Atherosclerosis Risk in Communities (ARIC) study. - Chambless,L.E.; Folsom,A.R.; Clegg,L.X.; Sharrett,A.R.; Shahar,E.; Nieto,F.J.; Rosamond,W.D.; Evans,G. (Am J Epidemiol, 2000)