1Two strengthening pedicle screw techniques and bone cement in lumbar internal fixationJiang Ze-hua, Zhu Ru-sen, Yuan Jian-jun, Shao Gao-sheng, Zhang Xue-li8941-89482Stress distribution after total hip arthroplasty with a neck-retaining femoral prosthesisSun Yu-xi, Fu Zhi-hou8949-89543Ceramic-on-ceramic total hip arthroplasty in young and middle-aged patients of femoral neck fractureHou Xi-jun, Li Lin, Wang Chun-hua, Li Yu-qiang8955-89604Total hip arthroplasty versus proximal femoral nail for intertrochanteric fracturesWang Ya-ping, Lu Tong8961-89665Peri-operative treatment for total hip replacement in patients with hepatic cirrhosisXu Jie, Huang Jing, Ma Ruo-fan, Li Deng, Cai Zhi-qing, Li Liang-ping8967-89736Mechanics analysis on knee joint after virtual replacementMatthew Jian-qiao Peng, Zhang Zhan-lei, Zhong Shi-zhen, He Er-xing8974-89807Air wave pressure therapy in prevention of deep vein thrombosis of the lower extremity after total knee arthroplastyTang Jin, Yang Tao, Xiong Xiao-jiang, Chen Lin, Cheng Zhi-yong, Zhan Fang-biao, Liao Yi-ming8981-89868Semi-shoulder arthroplasty for complicated proximal humerus fracturesLiu Chang-lu, Liu Xiao-min, Huang Jian, Nie Hui-juan, Ma Gang, Ding Liang-jia8987-89929Bone cement vertebroplasty for symptomatic thoracic vertebral hemangiomaYan Xiong-wei, Zhang Hong-yan8993-899810Long-segment pedicle screw fixation and individual osteotomy in the treatment of ankylosing spondylitis with kyphosisWang Xiao-ping, Lu Ming, Ma Hua-song, Zhou Jian-wei, Yuan Wei, Chen Yang, Niu Jing, Ren Dong-yun, Qin Liu-hua, Zheng Rui, Zhang Jing8999-900411Mid-third clavicle fracture combined with acromioclavicular joint dislocation treated with double Endobutton plate plus clavicle plateChen Yu, Song Xuan, Yu Si-ming9005-901012Two kinds of locking plate for treatment of proximal humerus fractures in the elderlyChen Li, Zhao Di-qing, Yang Guang-zhong, Chen Gang9011-901613Hollow screw and suture fixation for treatment of tibial intercondylar eminence fractures under arthroscopyChen Wei-dong9017-902214Minimally invasive percutaneous fixation based on ISO-C3D computerized navigational system for fracture of the acetabulumMa Yu-peng, Zhou Dong-sheng, Li Lian-xin, Mu Wei-dong, He Ji-liang, Li Qing-hu9023-902815Multiple stepwise regression analysis on postoperative knee joint function limitation in complex femoral condyles fracturesLi Song-jun, Wang Zhao-jie, Tan Wei-yuan, Kuang Li-peng, Chen Jun-ping9029-903416Displacement of steel plate for humeral fractures under the load of 100 N and 500 N measured using digital speckle methodYang Li-ping, Tian Ming, Zhou Yi-ping, Ye Hong, Li Bi-jun, Chen Ying-jie9035-904017System evaluation of methotrexate therapy and triple therapy for rheumatoid arthritisZhang Lei, NueraiShawutali, AynazBadelhan, Yang Kang-hua, WulanbaiTangkejie, Huang Yong, JiashareteJielile9049-905418Bone inductive potential of electron beam melting rapid prototyping technology in the repair of orthopedic implantsWang Cai-mei, Zhang Wei-ping, Wang Gang, Yan Hui, Yang Xiao-jie, Li Zhi-jiang9055-906119Porous tantalum rod in treating early-stage avascular necrosis of the femoral head:Application and issuesLiu Jing-feng, Feng Jian-min9062-906820Cervical expansive unilateral open-door laminoplasty:implant, bone graft and complicationsDai Jie, MaierdanMaimaiti9069-9076 