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Comparison of brain-averaged cerebral perfusion changes between Cu/Zn superoxide dismutase-overexpressed rats (SOD) and the wild-type controls (CON) before and during 15-min cardiac arrest and the first 2 h after resuscitation. PCA-5min is the p value for the first 5 min of reperfusion between the two groups. No perfusion difference was measureable in the remaining 2-h period.
