Long-term exposure to imatinib reduced cancer stem cell ability through induction of cell differentiation via activation of MAPK signaling in glioblastoma cells - Yucui Dong; Qinglian Han; Yan Zou; Zhenling Deng; Xinliang Lu; Xiaohua Wang; Weihua Zhang; Hua Jin; Jun Su; Tao Jiang; Huan Ren (Molecular and Cellular Biochemistry, 2012)