2Visona A, Pesavento R, Lusiani L, et al. Intima medial thickening of common carotid artery as indicator of coronary artery disease. Angiology, 1996, 47:61-66.
3Hodis HN, Mack WJ, LaBree L. et al. The role of carotid arterial intima media thickness in predicting clinical coronary events. Ann Intern Med, 1998,128:262-269.
4Diez-Roux AV, Nieto FJ, Comstock GW, et al. The relationship of active and passive smoking to carotid atherosclerosis 12-14 years later. Prev Med, 1995, 24:48-55.