Fig. 4
![Fig. 4](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12967-020-02341-9/MediaObjects/12967_2020_2341_Fig4_HTML.png)
Maximal variations in M-wave amplitude expressed as a percentage of resting values plotted against resting levels of TBARS and ORP. Linear regressions with 95% CIs are shown as well as the regression equations and the significance against zero of the R coefficient value