Therapeutic effects of human umbilical cord blood-derived mesenchymal stem cells after intrathecal administration by lumbar puncture in a rat model of cerebral ischemia.% d/ u# L! X9 F/ e- Z& |* j
5 \5 H \& M5 t# v8 Z7 O9 `- I3 G
Lim JY, Jeong CH, Jun JA, Kim SM, Ryu CH, Hou Y, Oh W, Chang JW, Jeun SS. 5 b ]9 o, y' Y9 o% X. F" B2 A8 Rhttp://www.ncbi.nlm.nih.gov/pubmed/21939558