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Laser Doppler monitoring of CBF in rats of the sham and 2VO groups. (a) Preoperative and postoperative blood flow values of the sham and 2VO group analysis of variance (two-way ANOVA, F = 275.036, P < 0.001). (b) The ratio of postischemic to preischemic CBF changes within 0–15 min before and after surgery. Values are mean ± SEM (N = 5 rats/per group). ∗P < 0.05.
