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. 2020 Jun 5;49:37. doi: 10.1186/s40463-020-00432-7

Fig. 1.

Fig. 1

Timeline for experiments. After initial auditory brainstem response (ABR) testing the 25 guinea pigs received cisplatin (CDDP, 4 mg/kg X 3 doses on alternate days for a total of 12 mg/kg). After allowing hearing loss to stabilize for a month either BDNF or saline was injected into the round window. ABR thresholds were obtained another month after that