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Figure 5: Cumulative concentration response curves showing the effect of phenylephrine (PE) in the absence and presence of prazosin (PrZ; 10-7 M) on isolated rat portal vein of different experimental groups of rats. Data presented are mean ± SEM of six animals. *P<0.05 vs PE alone

Figure 5: Cumulative concentration response curves showing the effect of phenylephrine (PE) in the absence and presence of prazosin (PrZ; 10-7 M) on isolated rat portal vein of different experimental groups of rats. Data presented are mean ± SEM of six animals. *<i>P</i><0.05 vs PE alone