Therapeutic effects of human umbilical cord blood-derived mesenchymal stem cells after intrathecal administration by lumbar puncture in a rat model of cerebral ischemia. # ~& E1 }! S, d8 j: W" O) {8 O' h' q! m0 O- Q/ q* c; a' Q* d
Lim JY, Jeong CH, Jun JA, Kim SM, Ryu CH, Hou Y, Oh W, Chang JW, Jeun SS.+ L- G2 y, T/ q' D
http://www.ncbi.nlm.nih.gov/pubmed/21939558