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Changes in diameter of isolated middle cerebral arteries (MCAs) in response to step increases in intraluminal, flow (Δ0, Δ10, Δ20, Δ30, Δ40 mmHg between inflow and outflow cannulas) from intact rats and from rats after traumatic brain injury (TBI) in the absence and presence of SQ 29,548 (10−6 mol/L) an inhibitor of thromboxane A2 receptor (TP). Asterisks indicate significant differences * p < 0.05 vs. Intact flow and Intact flow with SQ 29,548 (n = 16, n = 8 in each group).
