BMJ Publishing Group, Journal of Neurology, Neurosurgery and Psychiatry, 8(76), p. 1121-1127
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Background: Studies of neuropsychological outcome following coronary artery bypass graft surgery (CABG) have traditionally dichotomised patients as "impaired" or "unimpaired". This conceals the potential heterogeneity of deficits due to different mechanisms and sites of brain injury.