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Effects of farrerol at 35.94 μM in rat aortic ring contracted with PE (1 μM) after verapamil (1 μM) pretreatment in the absence (control) or the presence of ruthenium red (RR) (10 μM) or heparin (HP) (50 mg/L). (A) Original tension tracings; (B) Data are expressed as means ± SD. (n = 7–10). * p < 0.05, vs. control; # p < 0.05, vs. farrerol. The statistical analysis used the Anova with Dunnet’s post hoc test.
