目的：探索汉族、纳西族、白族正常儿童嗓音声学和电声门图参数正常值及三者间差异。
To explore the normal vocal acoustic parameters and electroglottographic (EGG) parameters and their differences in normal children of the Han , the Naxi, the Bai nationality .
目的研究昆明白族和彝族儿童HLA-DRB1／DQB1等位基因多态性，分析比较昆明白族和彝族人群的遗传特点。
Objective To study the HLA-DRB1/DQB1 allele polymorphisms and genetic characters of the children of Bai and Yi nationalities in Kuming.
目的研究昆明白族和彝族儿童HLA-DRB1／DQB1等位基因多态性，分析比较昆明白族和彝族人群的遗传特点。
Objective To study the HLA-DRB1/DQB1 allele polymorphisms and genetic characters of the children of Bai and Yi nationalities in Kuming.
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