Extreme lateral lumbar disc herniation after pedicle screw fixation and interbody fusion cage: lumbar stability at long-tem follow-up  
Shi Rui-ming, Li Guo-sheng, Zhang Yi-feng, Huang Zhen-yuan, Sun Li, Wang Cun
Chinese Journal of Tissue Engineering Research . 2014, (40): 6464 -6470 .  DOI: 10.3969/j.issn.2095-4344.2014.40.012