Surface modification of titanium by collagen and heparin self-assembly multilayers
Li Quan-hui, Xu Zhu-jun, Li Quan-li, Shen Jun, Zhang Wei-bo
Chinese Journal of Tissue Engineering Research . 2010, (51): 9595 -9600 .  DOI: 10.3969/j.issn.1673-8225.2010.51.021