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1·Methods We used heteroduplex mobility analysis (HMA) and sequencing to detect mixed infection.

方法使用异双体动态分析法和测序检测混合感染。

2·Objective:To assess the roles of single stranded conformation polymorphism(SSCP)and heteroduplex polymorphism(HET)in screening gene mutation.

目的：评价异源双链分析（HET）和单链构象多态性分析（SSCP）在基因突变检测中的作用。