Effects of Dragon’s blood extracts on fibroblast proliferation and procollagen type III  
Li Dan, Hui Rui, Hu Yong-wu, Han Yan, Guo Shu-zhong
Chinese Journal of Tissue Engineering Research . 2014, (46): 7437 -7441 .  DOI: 10.3969/j.issn.2095-4344.2014.46.012