Objective:Analyze the association HLADQB1 gene polymorphism and MG susceptibility in Chinese Hans.

目的：探讨中国汉人MG易感性与HLA DQB1基因多态性的相关性。

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Objective to study the genetic susceptibility of HLA DQA1 alleles to duodenal ulcer in Chinese Hans from Wuhan and its nearby regions.

目的探讨武汉地区汉族人HLA - DQA1基因与十二指肠溃疡的遗传关联。

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The genetic distance and phylogenetic tree between Chinese Hans and other populations were estimated by using DISPAN and PHYLIP software.

使用DISPAN软件及PHYLIP软件计算不同群体间遗传距离并绘制系统树。

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