1Artificial Cervical Disc Replacement versus Anterior Cervical Discectomy and Fusion for the Treatment of Single-level Disc Degenerative Disease with Reversible KyphosisWu Tingkui, Hu Xu, Liu Hao1-52Risk Factorsin Hidden Blood Loss in Cervical Spine Posterior Open-door LaminoplastyMao Yubo, Li Sucheng, Dong Zhongchen6-93Application of 3D Printing Technology Combined with Lateral Rectus Abdominis Approach in the Treatment of Pelvic and Acetabular FracturesCheng Benqiang, Su Xiaoen, Luo Ruiwen10-13,264Individualized Osteotomy of the Posterior Femoral Condyle in Total Knee Arthroplasty and its Clinical ApplicationYan Tao, Zhang Yunfei, Li Peng14-205The Risk Factors of Residual Mild Rotational Instability after Anterior Cruciate Ligament Reconstruction in Short TermHe Chen, Gao Fen, Qian Yi21-266Clinical Efficacy of Unicompartmental Knee Arthroplasty in the Treatment of Spontaneous Osteonecrosis of the KneeLi Hao, Wang Haohao, Li Yakun27-327A Comparative Study of 3D-printed Models in Children with Chronic Dislocation of Radial HeadJiang Hai, Li Xiaobo, Zhao Guolong33-368Study on the Pressure Distribution and Balance of the Plantar Pressure before and after the Operation of Children with DDHSun Jie, Wang Nan, Li Yanhua37-399Biomechanical Study of a New Elastic Fixation for Tibial Eminence FractureWang Jiangtao, Bu Jianli, Chang Han40-43