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Threshold shifts at day 1 for the three experimental groups, plotted as Threshold shift in dB against the frequency tested. Error bars are ± 1 SEM. #Denotes KX1-004 group signiŽ cantly lower than control group. *Denotes KX1-004 and LNAC groups signiŽ cantly lower than controls.

Threshold shifts at day 1 for the three experimental groups, plotted as Threshold shift in dB against the frequency tested. Error bars are ±
1 SEM. #Denotes KX1-004 group signiŽ cantly lower than control group. *Denotes KX1-004 and LNAC groups signiŽ cantly lower than controls.