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Marshall I, Simonotto E, Deary IJ, Maclullich A, Ebmeier KP, Rose EJ, Wardlaw JM, Goddard N, Chappell FM.Marshall I, et al. Among authors: chappell fm.Radiology. 2004 Dec;233(3):868-77. doi: 10.1148/radiol.2333031782. Epub 2004 Oct 21.Radiology. 2004.PMID: 15498902
Wardlaw JM, Chappell FM, Best JJ, Wartolowska K, Berry E; NHS Research and Development Health Technology Assessment Carotid Stenosis Imaging Group.Wardlaw JM, et al. Among authors: chappell fm.Lancet. 2006 May 6;367(9521):1503-12. doi: 10.1016/S0140-6736(06)68650-9.Lancet. 2006.PMID: 16679163Review.