Objective The aim of this study is to determine the efficacy and safety of topical tetracaine anesthesia for out patient with myringotomy and myringotomy with a tube.

 
  • 目的研究分泌性中耳炎病人门诊行鼓膜切开、鼓膜激光和鼓膜置管使用丁卡因表面麻醉剂的效果和安全性。
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