Tympanic membrane perforations are common sequelae of middleeardisease. Sound transmission through middle ears with tympanic membrane perforations is not well understood.
鼓膜穿孔是一种非常普遍的中耳疾病，其对人中耳传声的影响并没有得到很全面的研究。
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Objective To assess the curative effect of a continuous gentamicin infusion into the middleear via a micromedicine infusion pump for the intractable Meniere's disease.