Mozes G, Sullivan TM, Torres-Russotto DR, Bower TC, Hoskin TL, Sampaio SM, Gloviczki P, Panneton JM, Noel AA, Cherry KJ. Carotid endarterectomy in SAPPHIRE-eligible high-risk patients: implications for selecting patients for carotid angioplasty and stenting. J Vasc Surg. 2004 May; 39(5):958-65; discussion 965-6.