Answer to the Letter to the Editor of Feng Li et al. entitled "A systematic review with meta-analysis of posterior interbody fusion versus posterolateral fusion in lumbar spondylolisthesis" by Xiaoyang Liu, Yipeng Wang, Guixing Qiu, Xisheng Weng, Bin Yu. Eur Spine J (2013): doi:10.1007/s00586-013-2880-8
Eur Spine J. 2014 Apr;23(4):935-7.
doi: 10.1007/s00586-014-3172-7.
Epub 2014 Jan 22.
1 Department of Orthopedic Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Wangfujing, Dongcheng District, Beijing, 100730, China.