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Figure 2. The changes in threshold as compared to baseline values after Ad.GDNF inoculation into the left ear of normal guinea pigs. Changes are smaller than 10dB. At the higher frequencies, some improvement in thresholds was measured.

Figure 2. The changes in threshold as compared to baseline values after Ad.GDNF inoculation into the
left ear of normal guinea pigs. Changes are smaller than 10dB. At the higher frequencies, some
improvement in thresholds was measured.