Though brain tumor stem cells are low proportion in tumor tissue, they are the key for maintaining malignance.

但其在肿瘤组织中所占的比例很低，却是肿瘤保持恶性特征的关键所在。

youdao

Though brain tumor stem cells are low proportion in tumor tissue, they are the key for maintaining malignance.

但其在肿瘤组织中所占的比例很低，却是肿瘤保持恶性特征的关键所在。

youdao