Hearing preservation depends on the extent of the disease, pre-operation hearing level and the surgical procedure chosen.

听力的保存取决于病变范围、术前听力水平和术式选择。

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Hearing preservation depends on the extent of the disease, pre-operation hearing level and the surgical procedure chosen.

听力的保存取决于病变范围、术前听力水平和术式选择。

youdao