1Intraoperative frozen section analysis and 99Tcm triplephase bone scanning for diagnosing periprosthetic infection in hipZhang Jiong, Wang Yi, Feng Jian-min, Song Yan-yan, Liu Zhi-hong, He Chuan4921-49282Lateral versus posterolateral approach in total hip arthroplasty:restoration of joint function in 2-year follow-upZheng Kai-da, He Peng, Rong Xi-cang, Huang Wen-han, Yao Zi-long4929-49333Analgesic effects of continuous fascia iliaca compartment block versus continuous epidural analgesia after total hip arthroplastySun Xiao-juan, Zhang Hong-xing, Dong Bu-huai, Li Jing, Wu Xu-cai, Xiao Li, Zhang Han, Cai Liang, Wang Qiang4934-49384Total knee arthroplasty without patellar resurfacing for degenerative osteoarthritis:effects of patellar chondromalacia on clinical outcomesXu Chao, Hou Yan-jie, YilihamuTuoheti, Guan Zhen-peng, Li Shan-zhu, Wang Xin4939-49435Early postoperative pain between the first and second staged bilateral total knee arthroplasty:a retrospective comparative analysisSun Jiu-yi, Zhou Yi-qin4944-49496Short-and medium-term efficacy of artificial cervical disc replacement versus fusion for cervical spondylosisGao Ming-yong, Tao Hai-ying, Wei Ai-lin, He Bin4950-49567interTan compression interlocking intramedullary nail for femoral intertrochanteric fractures:clinical application and design advantagesLu Da-lu, Lv Xian-jun, Li Bin, Yang Da-xing4957-49618Characteristics of locking reconstruction titanium plate in the treatment of acetabular fracture for aged patientsWang Hai-bin, Meng Chun-yang, Wu Bin, Han Liang, Gao Ming, Jia Cun-ling, Jia Dai-liang4962-49679Feasibility of two kinds of atlantal lateral mass screw fixationGong Min, Jiang Jun-wei, Liu Hao, Zhou Yun4968-497210MC+? and ROI-CTM cervical fusion cage for cervical spondylosis:comparison of early postoperative cervical stability and fusion rateZhang Wei-hong, Yuan Shuo, Meng Chun-yang, Gao Feng, Yuan Wen4973-497911Advantages of an anterior cervical Zero-P implant for cervical spondylosisWang Gang, Wu Tao, Huang Xin-peng, Li Wei-lin, Xie Ning, Chen Hua-jiang, Liu Jun, Wang Yun-hua, Huang Ye, Ni Bin4980-498512Spinal external fixator distraction reduction combined with vertebroplasty in the repair of osteoporotic vertebral fracturesLi Zhu, Wang Wen-jun, Yao Nv-zhao, Song Xi-zheng4986-499113Bilateral pedicle screw and echelon tight closure spinal cord technique combined with implant fixations for correcting stiff spinal angular kyphosisMa 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 Shen4992-499714Percutaneous iliosacral screw versus percutaneous reconstruction plate fixation for Tile C sacral fracturesYin Shi-yuan, Luo Xue-feng, Shen Ming-quan, Xie Zeng-ru4998-500315Patellar fracture fixation:biomechanical characteristics of static and dynamic compressionXu Feng, Wang An-qing, Min Hong-wei, Yin Xiao-feng, Liu Ke-min5004-501016Biomechanical comparison of three fixation methods in the repair of posterolateral tibial plateau fractureZhang Yan, Liang Xu, Fan Xin-bin, Shao Jin, Liu Yue, Ye Wei-guang, Wu Liang, Yang Tie-yi, Gong Lu-lu5011-501617Establishment of digital template of cannulated screw fixation for femoral neck fracturesCao Zhen-hua, Yin He-ping, Li Shu-wen5017-502318Computer simulation of three-dimensional modeling for the best screw direction in atlas pedicleQin Tao, Du Yuan-li, Zheng Dong, Zhu Wen-tao5024-502919Unipedicular versus bipedicular percutaneous kyphoplasty for treating osteoporotic vertebral compression fractures:a meta-analysisYin Le-le, Xu Xiao-xiong, Pan Qi-lin, Zuo Kang-kang5030-503520Microsurgical discectomy versus microendoscopic discectomy for treatment of lumbar disc herniations:a meta-analysisLiu Meng-jun, Du Bin, Wei Xin-wei, Wang Shi-hai, Lin Qing, Wang Song, Chen Zhi-xin5036-5043 