Human Umbilical Cord Mesenchymal Stem Cells Transplantation Promotes Cutaneous Wound Healing of Severe Burned Rats. - Liu, Lingying; Yu, Yonghui; Hou, Yusen; Chai, Jiake; Duan, Hongjie; Chu, Wanli; Zhang, Haijun; Hu, Quan; Du, Jundong (PLoS ONE, 2014)