Four new tcpA genes were found in non - toxic VC strains.

在 非 产毒VC中发现4种新类型tcpA基因.

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Objective To investigate the TcpA gene sequence and analyze the characteristics of O 139 epidemic strains.

目的　探讨O139群霍乱JX株 的TcpA基因序列,分析该株基因的特点.

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Three of fifty non - toxic EVC strains contain tcpA gene, one contains t 2 type, others contain two new types.

50株EVC 非 产毒株中只有3株携带tcpA基因, 1株为t2型, 另2株为2种新类型.

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Methods From June 1998 to August 1999,10 patients with functional univentricular complex congenital heart diseases received TCPA.

方法1998年6月～1999年8月,10例先天性心脏复杂畸形的患者接受了心外管道全腔肺动脉吻合术.

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