Fig. 5From: The influence of inhaled multi-walled carbon nanotubes on the autonomic nervous systemBar graph depicting % change of LF power from the basal level before exposure (Control vs MWCNTs: 0.76 ± 0.18 vs 0.88 ± 0.22 ms2). Each value represents the mean ± SE of 8 rats. P < 0.01 compared with control group (*)Back to article page