Effects of cytokines and chemokines on   migration of mesenchymal stem cells following spinal cord injury
Longyun Li, Maoguang Yang, Chunxin Wang, Qiheng Zhao, Jian Liu, Chuanguo Zhan, Zhi Liu, Xuepeng Li, Weihua Wang, Xiaoyu Yang
Neural Regeneration Research . 2012, (14): 1106 -1112 .