Emerging safety of intramedullary transplantation of human neural stem cells in chronic cervical and thoracic spinal cord injury

Allan D. Levi^*, David O. Okonkwo, Paul Park, Arthur L. Jenkins, Shekar N. Kurpad, Ann M. Parr, Aruna Ganju, Bizhan Aarabi, Dong Kim, Steven Casha, Michael G. Fehlings, James S. Harrop, Kim D. Anderson, Allyson Gage, Jane Hsieh, Stephen Huhn, Armin Curt, Raphael Guzman