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９９７年底Ｎｉｓｈｉｚａｗａｅｔａｌ［１］应用ＲＤＡ技术从一名非甲～庚输血后肝炎患者中克隆出一种新病毒，即ＴＴＶ．本文为研究国内ＴＴＶ的流行情况，设计了一套ＰＣＲ引物，对不同的人群进行了检测．１材料和方法１．１材料血清样本收集于我国北方地区部分省市的...
At the end of 997 Nishizawa et al [1] using RDA technology to clone a new virus, namely TTV, from a non hepatitis A-hepatitis B patient. In order to study the prevalence of TTV in China, a set of PCR primers was designed to detect different populations. 1 Materials and Methods 1.1 Materials Serum samples collected in some provinces in northern China ...