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Mean log CR curves to phenylephrine in uterine arteries from nonpregnant rats, under control conditions (n=10), and in the presence of (a) PD 123319 (1 μM) (n=5), (b) HOE 140 (0.1 μM) (n=7), and (c) NOLA (30 μM) (n=10). *P<0.05 versus control EC50.
