Therapeutic effects of human umbilical cord blood-derived mesenchymal stem cells after intrathecal administration by lumbar puncture in a rat model of cerebral ischemia. # a9 @# w+ w# T9 L* o1 p- \6 G8 z6 i c& a: t1 U. O
Lim JY, Jeong CH, Jun JA, Kim SM, Ryu CH, Hou Y, Oh W, Chang JW, Jeun SS. " R6 S0 H( W* x5 ? W. J http://www.ncbi.nlm.nih.gov/pubmed/21939558