Single-cell clonal culture and identification of human bone marrow stromal stem cells  
Teng Yong1, Xu Jian-li2, Li Xu-sheng1, Hu Yun-yu3, Wang Zhen3
Chinese Journal of Tissue Engineering Research . 2012, (10): 1742 -1747 .  DOI: 10.3969/j.issn.1673-8225.2012.10.008