Fig. 1From: Cardiovascular and inflammatory mechanisms in healthy humans exposed to air pollution in the vicinity of a steel millHeat map and hierarchical clustering analysis results. Bayview A – Bayview Ambient (“without” mask); Bayview M- “with” mask; Biomarker levels are expressed as fold changes with respect the subject’s average biomarker level through the entire exposure period (Red-upregulation; Green-down-regulation)Back to article page