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Figure 1 Dose-dependent vasodilatory responses to acetylcholine in controls and in patients with hypercholesterolemia and hypertriglyceridemia. Top panel shows responses expressed as absolute forearm blood flow; bottom panel as % increase in basal forearm blood flow. Analysis was by two-way repeated measures (RM) ANOVA followed by Student-Newman-Keuls test (*p < 0.05 when compared to control point). Results are expressed as mean ± standard error of the mean.