Cortical bone trajectory screw versus pedicle screw fixation after posterior lumbar interbody fusion: a meta-analysis  
Wang Liang, Li Lijun, Zhu Fuliang, Jiang Zhuyan, Wang Shuai, Ni Dongkui
Chinese Journal of Tissue Engineering Research . 2019, (8): 1291 -1298 .  DOI: 10.3969/j.issn.2095-4344.1089