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Brachial artery diameters before (baseline) and during (peak) flow-mediated dilatation in the young sedentary (A), older sedentary (B), and older exercise-trained (C) men. D, mean brachial artery diameters before (baseline) and during (peak) flow-mediated dilatation for the young sedentary, older sedentary, and older exercise-trained groups.
