Table 1.

Experimental groups

Group number	Noise exposure (h)	Treatment	Treatment regime
Group 1	24	ADAC	Single injection 6 h PE
Group 2	24	Vehicle (control)	Single injection 6 h PE
Group 3	24	ADAC	Single injection 24 h PE
Group 4	24	Vehicle (control)	Single injection 24 h PE
Group 5	24	ADAC	Multiple injections
Group 6	24	Vehicle (control)	Multiple injections
Group 7	2	ADAC	Multiple injections
Group 8	2	Vehicle (control)	Multiple injections

n = 8 animals per group

PE post-exposure