Effect of freeze-dried bone xenograft and platelet-rich fibrin compound on osteogenesis and osseointegration of alveolar bone defects  
Li Bing-ting, Jia Ying-zhen, Liu Zhi-fang, Song Yuan, Hou Xiao-wei
Chinese Journal of Tissue Engineering Research . 2014, (52): 8376 -8381 .  DOI: 10.3969/j.issn.2095-4344.2014.52.003