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Rothwell PM, Eliasziw M, Gutnikov SA, Fox AJ, Taylor DW, Mayberg MR, Warlow CP, Barnett HJ; Carotid Endarterectomy Trialists' Collaboration.Rothwell PM, et al.Lancet. 2003 Jan 11;361(9352):107-16. doi: 10.1016/s0140-6736(03)12228-3.Lancet. 2003.PMID: 12531577
Rothwell PM, Mehta Z, Howard SC, Gutnikov SA, Warlow CP.Rothwell PM, et al.Lancet. 2005 Jan 15-21;365(9455):256-65. doi: 10.1016/S0140-6736(05)17746-0.Lancet. 2005.PMID: 15652609