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The frequencies of GSTM1-null and GSTT1-null genotypes in colorectal tumor and control groups were ascertained by using polymerase chain reaction (PCR) and multiple-PCR techniques.
应用聚合酶链式反应（PCR）、多重PCR方法检测GSTM1和GSTT1在正常人群和结直肠肿瘤患者群体中的基因多态性分布。
Methods The genotypes of GSTM1 and GSTT1 of 63 cases with HCC and 88 controls were detected with multiple PCR technique.
方法应用多重PCR技术检测63例肝癌患者和88例健康对照的GSTM1和GSTT1空白基因型。
Design and search primers for multiple applications including PCR, DNA hybridization and sequencing.
设计和搜索多重引物，包括PCR引物、序列探针和测序引物。
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