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Figure 1 Forearm blood flow (FBF) response to three doses of acetylcholine (ACh) following placebo or losartan administration for four weeks. Forearm blood flow is expressed as the percentage change in the ratio of infusion arm to noninfusion arm flows relative to the baseline period preceding the administration of ACh. Values are means ± SE. ACh response significantly increased following losartan administration (p < 0.01, ANOVA; p < 0.02 at 10 µg/min, p < 0.02 at 20 µg/min, p < 0.05 at 40 µg/min, t tests).
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