A systematic review on unilateral versus bilateral kyphoplasty for osteoporotic vertebral compression fractures  
Yang Sen, Xu Tao, Sheng Wei-bin, Wang Guo-qi, Guo Hai-long
Chinese Journal of Tissue Engineering Research . 2015, (8): 1306 -1312 .  DOI: 10.3969/j.issn.2095-4344.2015.08.029