Role and mechanism of retinoic acid in axonal regeneration 
Wu Shi-xing, Yu Zhen-hai, Liu Fang, Lin Hai-yan, Zhang Zhi-ying, Zhang Chuan-sen
Chinese Journal of Tissue Engineering Research . 2014, (15): 2450 -2454 .  DOI: 10.3969/j.issn.2095-4344.2014.15.025