Hydrogel containing hepatocyte growth factor promotes the repair of femoral neck defects in rabbits  
Guo Lin, Zhen Rui-xin, Zhao De-wei, Tian Feng-de, Yu Jing, Zhu Rui-ping
Chinese Journal of Tissue Engineering Research . 2014, (52): 8470 -8473 .  DOI: 10.3969/j.issn.2095-4344.2014.52.019