Effects of trypsogen and collagenase on culture of neural stem cells of fetal rat telencephalon  
Liang Jun1, Song Xiao-yu2, Zhao Fu-sheng1, Li Yue-zhen1, Dong Jian-jiang1
Chinese Journal of Tissue Engineering Research . 2012, (14): 2563 -2566 .  DOI: 10.3969/j.issn.1673-8225.2012.14.019