With stem cells, the main risk is not the sort of chemical toxicity associated with a drug; rather it is of an unusual type of tumour called a teratoma.

对干细胞来说，主要的风险不在于药物引起的细胞毒性；而是一种叫做畸胎瘤的非常见肿瘤。

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Study on the effects of vacancy plant of soybean, making ue of a variety of main stem type and a variety with branch.

利用一个主茎型和一个分枝型品系，研究了大豆在不同长度断条下的缺蔸效应。

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