North American Symptomatic Carotid Endarterectomy Trial Collaborators.Beneficial effect of carotid endarterectomy in symptomatic patients with high-grade carotid stenosis. N Engl J Med325:445-453, 1991.
2.
European Carotid Surgery Trialists' Collaborative Group.MRC European carotid surgery trial: Interim results for symptomatic patients with severe (70-99%) or with mild (0-29%) carotid stenosis. Lancet337:1235-1243, 1991 .
3.
Hobson RW, Weiss DG, Fields WS, et al. Efficacy of carotid endarterectomy for asymptomatic carotid stenosis. N Engl J Med328:221-227, 1993.
4.
Executive Committee for the Asymptomatic Carotid Atherosclerosis Study.Endarterectomy for asymptomatic carotid artery stenosis. JAMA273:1421-1428, 1995 .
5.
Moneta GL, Taylor DC, Nicholls SC, et al. Operative versus nonoperative management of asymptomatic high-grade internal carotid artery stenosis: Improved results with endarterectomy. Stroke18:1005-1010, 1987.
6.
Caracci BF, Zukowski AJ, Hurley JJ, et al. Asymptomatic severe carotid stenosis. J Vasc Surg9:361-366, 1989.
7.
Colgan MP, Strode GR, Sommer JD, et al. Prevalence of asymptomatic disease: Results of duplex scanning in 348 unselected volunteers. J Vasc Surg8:674-678, 1988.
8.
Mansour MA, Mattos MA, Faught WE, et al. The natural history of moderate (50% to 79%) internal carotid artery stenosis in symptomatic, nonhemispheric, and asymptomatic patients . J Vasc Surg21:346-357, 1995.
9.
Mattos MA, Hodgson KJ, Londrey GL, et al. Carotid endarterectomy: Operative risks, recurrent stenosis, and long-term stroke rates in a modern series. J Cardiovasc Surg33:387-400, 1992.
10.
Johnson BF, Verlato F., Bergelin RO, et al. Clinical outcome in patients with mild and moderate carotid artery stenosis. J Vasc Surg21:120-126, 1995.