. 2012 Sep 5;7(25):1967–1973. doi: 10.3969/j.issn.1673-5374.2012.25.007
Copyright: © Neural Regeneration Research
This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.