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Comparison of the mean ratio of rCBV in the treated and untreated striatum at 2 and 4 hr after injection (error bars indicate 1 SD). Data are presented for the three animal groups: control (injection of vehicle only), depleted (pretreatment with anti-neutrophil serum to deplete neutrophils and then injection of IL-1β), and nondepleted (IL-1β injection only).Asterisks indicate a significant difference between treated and control hemispheres: *p = 0.004.
