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. Author manuscript; available in PMC: 2015 Jan 1.
Published in final edited form as: Curr Drug Deliv. 2014;11(2):279–286. doi: 10.2174/1567201811666140118224616

Fig. 1.

Fig. 1

Representative ABR tracings at 32 kHz obtained on (A) Day 0 before intratympanic injections and (B) Day 28 after the injections in guinea pigs in vivo. The differences among the Day 0 tracings are due to experimental variability. ABR tracings are from (I) control, (II) 0.05 mL, and (III) 0.1 mL injection experiments. The arrows and bold dB values indicate the ABR threshold values.