Injured vertebra pedicle screw fixation and cross-segment pedicle screw fixation for thoracolumbar fracture: a meta-analysis  
Wu Yi, He He-bei, Sun Yong-jian, Li Wei-cheng, Ding Chao
Chinese Journal of Tissue Engineering Research . 2015, (22): 3604 -3608 .  DOI: 10.3969/j.issn.2095-4344.2015.22.029