而且这病毒株随时可能变异成更大毒力型。
And the strain could change at any moment into a more serious form.
目的：通过核型分析探讨中国利什曼原虫分离株遗传变异情况。
AIM: To further understand the genetic variation among Leishmania species in China by karyotype analysis.
目的：通过核型分析探讨中国利什曼原虫分离株遗传变异情况。
AIM: To further understand the genetic variation among Leishmania species in China by karyotype analysis.
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