Objective To study the dose response relationship between noise exposure and prevalence of noise induced hearing loss(NIHL)in man aircraft maintenance workers.

目的探讨男性飞机维修人员噪声暴露与噪声性听力损失（NIHL）患病率之间的剂量反应关系。

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Objective To investigate the association of cadherin 23 gene (CDH23) polymorphisms with the development of noise induced hearing loss (NIHL).

目的探讨钙粘蛋白23基因(CDH23)多态性与噪声性听力损失之间的关系。

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ObjectiveTo investigate the relationship of GSTM1 and GSTT1 gene polymorphisms with the development of noise induced hearing loss (NIHL) in Chinese workers.

目的探讨谷胱甘肽硫转移酶M1和T1（GSTM1和GSTT1）的基因多态性与噪声性听力损失易感性之间的关系。

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