Fig. 7From: The influence of inhaled multi-walled carbon nanotubes on the autonomic nervous systemBar graph depicting % change of total power from the basal level before exposure (Control vs MWCNTs: 2.09 ± 0.46 vs 2.21 ± 0.47 ms2). Each value represents the mean ± SE of 8 rats. P < 0.01 compared with control group (*)Back to article page