Development and evaluation of osteogenesis and antibacterial properties of strontium/silver-functionalized hierarchical micro/nano-titanium implants oleh Litao Yao, Haiyan Wang, Li Li, Zheng Cao, Yilong Dong, Lili Yao, Weiwei Lou, Shutian Zheng, Yizuo Shi, Xinkun Shen, Chunyuan Cai, Lieping Sheng