Bilateral pedicle screw and echelon tight closure spinal cord technique combined with implant fixations for correcting stiff spinal angular kyphosis 
Ma Hua-song, Wang Xiao-ping, Tan Rong, Chen Zhi-ming, Lu Ming, Yuan Wei, Xu Qi-ming, Ren Dong-yun, Ma Wei, Li Long, Wu Jia-jian, Zhang Jing, Zheng Rui, Xin Shen
Chinese Journal of Tissue Engineering Research . 2014, (31): 4992 -4997 .  DOI: 10.3969/j.issn.2095-4344.2014.31.013