Biological characteristics of umbilical cord mesenchymal stem cells in different conditioned media
Zhou Jian-yu, Xu Yue, Huang Wen-jing, Liu Jun-jiang, Hong Jing-xin
Chinese Journal of Tissue Engineering Research . 2014, (32): 5114 -5119 .  DOI: 10.3969/j.issn.2095-4344.2014.32.006