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Percent (%) change between hyperoxic and normoxic exercise forearm blood flow (FBF) under each drug condition for each individual subject. The figure is representative of the intersubject variability to hyperoxia. Sal-Exe refers to %change in FBF (hyperoxic-normoxic) during saline infusion, whereas Vit C-Exe refers to the %change in FBF during vitamin C infusion.
