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Figure 3 Bar graphs showing peak femoral artery flow (ml/min), increase in femoral artry diameter (as percent of baseline diameter) during reactive hyperemia before and after 3 weeks of intermittent infusion therapy with L-arginine or PGE1, and in control patients. The area under the curve (AUC, arbitrary units) of femoral artery flow during hyperemia and the time elapsing between peak hyperemia and return to 50% of this peak (t1/2, s) are also shown. Data are mean ± SEM. *p < 0.05 vs. baseline. Striped columns = baseline; solid columns = 3 weeks.
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