Core stabilization exercises, implant fixation and lumbar fusion for degenerative lumbar spondylolisthesis: lumbar function evaluation  
Luo Sheng-fei, Zhang De-jian
Chinese Journal of Tissue Engineering Research . 2015, (31): 5036 -5040 .  DOI: 10.3969/j.issn.2095-4344.2015.31.022