Fig. 3
From: Jet fuel exposure and auditory outcomes in Australian air force personnel
![Fig. 3](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12889-019-7038-0/MediaObjects/12889_2019_7038_Fig3_HTML.png)
Mean DPOAE amplitudes and 95%CI (dB SNR) at 2.8 kHz (right and left ears, panels a and b, respectively) as well as at 4 (panel c) and 6 kHz (panel d) in the left ear for the three exposure groups