Methods: Both cell culture and MTT (methyl thiazoly tetrazolium) were used to observe the proliferation of mice spleen lymphocytes, YW was used for 15 days after radiation.

• 方法 :采用细胞培养及MTT法 ,观察“养胃方”(以下简称YW)对荷瘤小鼠放射后脾脏淋巴细胞转化率的影响 ;