In vitro the studies were performed on a series of 6 human malignant brain tumor cell lines and rat 9L brain tumor cells (gliosarcoma) by using a colony forming efficiency (CFE) assay.

• 用集落生成率测定(CFE)对6个人类脑胶质瘤细胞株和大白鼠9L脑肿瘤细胞(胶质肉瘤)进行了离体研究。