1Proteoglycan and collagen type Ⅱ in the adjacent intervertebral disc of the cervical instability modelsWu Bin, Meng Chun-yang, Wang Hai-bin, Jia Cun-ling, Zhao Yi-feng5421-54262Femoral head diameter and acetabular anteversion in hip prosthesis replacementZhang Jiang-tao, Shang Yan-chun, Wu Fu-yuan, Qu Guang-yun5427-54333Artificial total hip arthroplasty and hip-self procedure in the treatment of congenital dislocation of hipLiu Yi, Yan Jian-jun, Cui Zhi-ming5434-54394Efficacy and safety of rivaroxaban in the prevention of deep vein thrombosis after hip arthroplastyZhang Hui, Wang Dong, Sun Hai-yu, Li Shu-wei, Liu Liang5440-54455Lumbar lordosis after lumbar disc replacementWang Long, Chu Ge, Zhang Hong-qi, Guo Chao-feng, Yan Tao, Qiao Wei-min5446-54516Minimally invasive versus open transforaminal lumbar interbody fusion in the treatment of single-level lumbar disc herniationDing Ru-hu, Liu Bo, Zhang Bo, Wang Yong-qing, Xiao Bin, Su Hai-tao5452-54597Comparison of hidden blood loss in two kinds of internal fixation for femoral intertrochanteric fracturesLong Qiu-ping, Liao Qian-de, Yin Ke, Zhong Da, Niu Bing, Ding Deng-feng5460-54658Suture anchor fixation realizes the physiological reconstruction and repair of tibiofibular syndesmotic injuryTang Feng, Wang Qin-ye, Xu Zhong-liang, Luo Ya-ping, Chang Xiao-bo, Wang Yi-jin5466-54719Construction and identification of humerus three-dimensional finite element model in childrenRuan Shi-jie, Shen Cong, Li Hai-yan, He Li-juan, Zhai5472-547610Three-dimensional finite element model of the new artificial lumbar disc replacementZhang Lan-feng, Dong Li-min, Wang Yong-qing, Meng Li-na, Ye Jin-duo, Zhang Chun-qiu5477-548211Precise mechanical analysis on the femoral three-dimensional finite element model constructed based on DICOM dataLi Feng, Wu Hua5483-548912Finite element analysis of degenerative scoliosis biomechanicsZheng Jie, Yang Yong-hong, Lou Su-liang, Zhang Dong-sheng, Liao Sheng-hui5490-549613Cervical vertebrae morphology in skeletal class Ⅱ and class Ⅰ malocclusion patientsReziwanKeyimu, He Hong, Wu Hui5497-550214Serum monocyte chemoattactant protein-1 level and spinal tuberculosis susceptibilityGuo Chao-feng, Zhang Hong-qi, Gao Qi-le, Tang Ming-xing, Liu Shao-hua, Deng Ang, Wang Yu-xiang, Lu Shi-jin, Li Jin-song, Yin Xin-hua5503-551015Bone morphogenetic protein 2 expression in rabbit radial defect site with different lengthsZhan Yu-lin, An Zhi-quan, Sun Lu-yuan, Zhang Chang-qing, Zeng Bing-fang, Xu Feng, Hou Guo-zhu, Li Wen-ju, Zhu Xiao-meng, Song Xing-hua5511-551716Bernese periacetabular osteotomy for the treatment of acetabular dysplasiaSong Li-ming5518-552417Femoral head necrosis after severe acute respiratory syndrome:Etiology and treatmentQiu Nan-hai, Zhang Wen-long5525-553018Non-operation treatment of primary knee osteoarthritisJin Feng-yu5531-553819Recurrence factors of spinal implant fixation for the treatment of lumbar disc herniationChen Xiao-ming, Ma Hua-song, Wang Meng, Tan Rong, Yang Bin5539-554420Knee meniscus injury evaluated with magnetic resonance imagingFeng Lei, Wang Jing-xue, Wang Guo-hua, Song Xiu-feng, Zhang Ting-ting, Zhang Tong5545-5550