The Effects of Long-term Culture In Vitro on the Osteogenic Differentiation Potential of Human Umbilical Cord Blood Derived Mesenchymal Stem Cells
LIU Guangpeng,ZHANG Wenjie,LI Yulin,SUN Jian,ZHOU Heng,CUI Lei
Journal of Tissue Engineering and Reconstructive Surgery . 2009, (1): 4 -48 .  DOI: 10.3969/j.issn.1673-0364.2009.01.002