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Correlations between brachial artery flow-mediated dilatation, presented as %change from baseline diameter (FMD%) and 4 different shear rate stimuli. Peak shear rate (A), 0–30-s shear rate (B), 0–60-s shear rate (C), and 0 time-to-peak diameter (0-ttp) shear rate (D) are shown in the pooled data set of children (n = 51, ▴), young adults (n = 57, 
), and older adults (n = 27, ○).
