Methods By means of the modified heteroduplex mobility assay(HMA) and the routine DNA sequence analysis, the subtypes of 14 blood samples with HIV - 1 sera - positive were determined and analyzed and compared.

• 方法 采用改良的异源双链泳动法(HMA)与DNA序列分析法对14份HIV-1抗体阳性者样本进行亚型测定、分析和比较。