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(A) Postoperative evaluation of the pure tone averages of subject 6 revealed improved hearing thresholds (by 20 dB at 250 Hz and 15 dB at 500 Hz) (arrows). (B) Postoperative evaluation of the pure tone average of subject 7 also revealed improved hearing thresholds (by 20 dB at 250 Hz and 15 dB at 500 Hz) (arrows).
