s genotypes s基因型
HBV genotypes were determined by RFLP based on S-gene PCR products.
用S基因聚合酶链反应-限制性片段长度多态性确定HBV基因型。
Objective To analyse the association of apolipoprotein E genotypes with Alzheimer' s disease in Chinese population.
目的研究中国人群中载脂蛋白E等位基因型与阿尔茨海默病的关联。
A total of 46 S. mutans isolates from 24 subjects were analyzed by AP_PCR, and 29 different amplitypes were identifyied, 45.8% carried two genotypes.
经AP_PCR扩增，24名儿童口腔中检测出29个不同基因型的变形链球菌，其中携带2个以上基因型儿童占45.8%。
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