1Kallos MS, Sen A, Behie LA. Large-scale expansion of mammalian neural stem cells: a review [J]. Med Biol Eng Comput, 2003, 41:271 - 282.
2Garbossa D, Fontanella M, Fronda C,et al. New strategies for repairing the injured spinal cord: the role of stem cells[J]. Neurol Res, 2006, 28:500-504.
