Methods:The enhancement of chemosensitity of KB cells to vincristine(VCR) by dipyridamole in different concentrations was analysed with MTT method.

• 方法:使用MTT法检测比较KB母细胞和耐药细胞株对长春新碱(VCR)的药物敏感度并观察潘生丁对耐药的逆转程度;