Preparation and biological properties of TiN/Ag composite coating on pure titanium surface 
Ma Ming, Wan Rong-xin, Lv Xiao-fei, Chu Shan-shan, Li Li-jun, Gu Han-qing, Peng Cheng
Chinese Journal of Tissue Engineering Research . 2018, (2): 189 -195 .  DOI: 10.3969/j.issn.2095-4344.0005