Posterior pedicle screw fixation and interbody fusion in the treatment of recurrent lumbar disc herniation: an evaluation of vertebral stability 
Liu Feng-song, Wang Kai, Jing Cheng-wei, Zhang Liang, Liu Bin, Yang Ya-lin
Chinese Journal of Tissue Engineering Research . 2014, (4): 553 -558 .  DOI: 10.3969/j.issn.2095-4344.2014.04.011