1Three dimensional navigation technology for minimal invasive surgery of pelvis and acetabu-lar fracturesCai Xianhua, Zhang Baocheng, Zheng YifanFORUM FOR EXPERTS561-5652Effect of delayed reconstruction of anterior cruciate ligament on meniscus and articular carti-lage in children and adolescentsSong Qichun, Zhao Yan, Li Dong, Chen Mengsha, Zhao Shani, Duan Dapeng, Fan Lihong, Shi ZhibinORIGINAL ARTICLES566-5713A comparative study on the treatment of avulsion fractures of the posterior cruciate ligament of tibia with hollow nails combined with anchor nails and hollow nails aloneWu Fengsheng, Xu Zhiyang, Li Han, Wu Feihua, Su Xinjie, Liang Xibin, Chen LeiORIGINAL ARTICLES572-5754Curative effect of knee arthroscopy in the anterior cruciate ligament reconstruction with rem-nant preservationYu Yuanyuan, Xiang Deng, Xi Xiaoyan, Lin YanshuiORIGINAL ARTICLES576-5795Effect of patellar ligament repair with vascular pedicle on the functional recovery of knee joint in patients with old anterior cruciate ligament injuryYang Yushan, Xiong JianORIGINAL ARTICLES580-5836Effect of repair of deltoid ligament on patients with ankle fracture and injury of deltoid ligamentWang Jinquan, Hang Zhigang, Zhang LixinORIGINAL ARTICLES584-5877Internal fixation through anterior elbow approach for treatment of ulnar coronoid process fractureShi Rengang, Yu Xuedong, Liang YongORIGINAL ARTICLES588-5928A comparative study of Carlson posterolateral approach and posterior median approach in the treatment of posterolateral tibial plateau fractures with T-shaped locking plateZeng Kepei, Luo Zhiyong, Ding Peigen, Gao Feng, Zeng QingmingORIGINAL ARTICLES593-5989Comparative study of curative effect of different approaches of internal fixation in the treat-ment of patients with unilateral Sanders Ⅱ,Ⅲ calcaneal fracturesZhao Deyuan, Qin Rujie, Lu Xiangjun, Meng Feifan, Xu Gang, Song Bo, Shi DongpingORIGINAL ARTICLES599-602,60810Clinical study on the prevention of surgical site infection in orthopedic implantation with clus-ter strategyWang Jin, Shao Mingxin, Wang Hong, Wang Gan, Deng Naimei, Wang YujieORIGINAL ARTICLES603-60811Comparision of the efficacy of percutaneous and open pedicle screw fixation in the treatment of thoracolumbar fractures:a meta-analysisYu Chenghao, Cheng Weiyi, Liu Dun, Yang Hongping, Hu BingORIGINAL ARTICLES609-62012Effect of percutaneous vertebroplasty with curved-angle puncture needle and hydraulic injec-tion in the treatment of vertebral compression fractureWei Xiuyang, Chen Yongzhong, Gong YandingORIGINAL ARTICLES621-62413Clinical effect of postoperative super-laser pain relief in treatment of thoracolumbar burst fractures after pedicle screw internal fixationLv Zhenjing, Jiang Zhiqiang, Mei Pingjun, Chang Xudong, Gong Huisong, Yuan BinbinORIGINAL ARTICLES625-62814Free superficial circumflex iliac artery flap for the repair of irregular wounds of handWu Jian, Zhou Xin, Ou Changliang, Liu Anming, Yang Jiexiang, Zou YonggenORIGINAL ARTICLES629-63215Effect of dorsal metacarpal-thenar junction flap in repairing skin defect of distal segment of thumbHao Xuguang, Lan Gengliang, Liu Yang, Xiang Shouyang, Xue Yan, Liu Yong, Nie GuangchenORIGINAL ARTICLES633-635,封316Progress in the treatment of total dislocation of talusZhang Tianhao, Wang Zhijiang, Lin Jian, Huang JianhongREVIEWS638-640,封3 