The experimental group underwent an incision inferior to the pinna, and the cochleas were destoried with a drill through the bulla bilaterally.

 
  • 實(shí)驗組采用耳后徑路開(kāi)放聽(tīng)泡,用微型鉆在耳蝸表面鉆孔損毀雙側耳蝸結構;
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