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http://dx.doi.org/10.15430/JCP.2014.19.1.39
This article has been retracted following a review by the Editorial Board. It has come to light that there is a significant overlap between the article and one that had already appeared in Neural Regeneration Research 2013;8(20):1853–1862 (doi: 10.3969/j.issn.1673-5374.2013.20.004).
