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Vasodilation with forearm exercise before and after inhibition with (a) L-NMMA or (b) TEA in African American and Caucasian subjects. Change in FBF and FVR in response to increasing handgrip exercise (15, 30 and 45% of maximal handgrip) alone and (a) after L-NMMA, 16μmol/min) in AA (n=24) and Caucasian (n=19) subjects, and (b) after TEA in AA (n=24) and Caucasian (n=19) subjects. Data shown as mean ± SEM. *p=0.01; **p<0.0001
