In vitro osteogenic induction of rat bone marrow mesenchymal stem cells  
Zhao Da-cheng, Wang Yu-liang, Dang Yue-xiu, Zhao Lin, Wang Jing, Wang Cui-fang
Chinese Journal of Tissue Engineering Research . 2012, (14): 2491 -2495 .  DOI: 10.3969/j.issn.1673-8225.2012.14.005