Vascular endothelial growth factor and nano-hydroxyapatite/collagen composite in the repair of femoral defect in rats
Xu Cheng-zhen, Yang Wen-gui, He Xiao-feng, Zhou Li-tao, Han Xue-kun, Xu Xiao-feng
Chinese Journal of Tissue Engineering Research . 2011, (38): 7118 -7122 .  DOI: 10.3969/j.issn.1673-8225.2011.38.020