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Figure 3 Forearm blood flow (FBF) percent increase above basal induced by acetylcholine (n = 8) and bradykinin (n = 8) during saline, NG-monomethyl-L-arginine (L-NMMA), sulfaphenazole, and L-NMMA plus sulfaphenazole, in normotensive subjects. Data shown as mean ± SEM. *p < 0.001; 
p < 0.01 (by analysis of variance for repeated measures and Scheffé’s test).