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Metabolic correlates to Ach-stimulated vasodilation. (A) Top metabolites from stored RBC supernatants that positively (red) or negatively (green) correlate with changes in forearm blood flow after 30 minutes from stimulation with Ach. (B) Hierarchical clustering analysis of correlations indicates that physiological correlates clustered close to a node including oxylipins, free fatty acids, and markers of hemolysis like biliverdin and bilirubin.
