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Figure 2: Effect of drug treatments on diastolic blood pressure each point on the graph represents the average of at least 25 independent measurements. Error bars are standard error of mean; ***P < 0.001 (placebo vs. Hibiscus sabdariffa). αααP < 0.001 (placebo vs. lisinopril) two-way analysis of variance with Bonferroni posttest

Figure 2: Effect of drug treatments on diastolic blood pressure each point on the graph represents the average of at least 25 independent measurements. Error bars are standard error of mean; ***<i>P</i> < 0.001 (placebo vs. <i>Hibiscus sabdariffa</i>). <sup>ααα</sup><i>P</i> < 0.001 (placebo vs. lisinopril) two-way analysis of variance with Bonferroni posttest