Figure 1.
Time course of the mean arterial pressure (Δ MAP) and heart rate (Δ HR) induced by the intrathecal administration of 100 µg (A), 10 µg (B), 1 µg (C), or 0.1 µg (D) sildenafil or the vehicle (DMSO). *p<0.05 compared to DMSO.
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