Co-culture, proliferation and migration of human umbilical cord blood-derived endothelial progenitor cells with vascular endothelial growth factor and basic fibroblast growth factor 
Zhou Jian-liang, Zou Ming-hui, Chen Yi-chu, Zhou Cheng, Shi Jia-wei, Dong Nian-guo
Chinese Journal of Tissue Engineering Research . 2011, (6): 1000 -1004 .  DOI: 10.3969/j.issn.1673-8225.2011.06.012