Bone marrow derived mesenchymal stem cells alleviated brain injury via down-regulation of interleukin-1 beta in focal cerebral ischemic ratsZhao Yansong; Wang Xiaoli; Dong Peng; Xu Qinyan; Ma Ze; Mu Qingjie; Sun Xihe; Jiang Zhengchen; Wang XinSCI-摘要-关键词-