Chondrogenic differentiation of placenta-derived mesenchymal stem cells in vitro
Li Zhi, Zhao Wei, Liu Wei, Zhou Ye, Jia Jing-qiao, Yang Li-feng
Chinese Journal of Tissue Engineering Research . 2014, (32): 5203 -5208 .  DOI: 10.3969/j.issn.2095-4344.2014.32.020