Objective:To examine mutation in the partial coding region of GJB2 gene in 43 cases of Chinese patients with non syndromic hearing impairment (NSHI).
目的：分析43例中国人非综合征性听力减退（NSHI）患者的GJB2基因部分编码区的突变的情况。
Objective:To examine mutation in the partial coding region of GJB2 gene in 43 cases of Chinese patients with non syndromic hearing impairment (NSHI).
目的：分析43例中国人非综合征性听力减退（NSHI）患者的GJB2基因部分编码区的突变的情况。
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