1Laminoplasty by Piezosurgery and Artificial Bone Graft with Calcium Sulfate within Lumbar Intraspinal TumorsShi Liang, Yan Tao, Wang Hanbin, Wang Keda, Liu Longqi, Su Yibing193-1972Application of Three-phase Quantative Adjustment Rehabilitation Program in Postoperative Rehabilitation of Humeral Intercondylar FractureLi Zonglin, Zhang Junzhong198-2023The Outcomes of Three Dimensional-printed Custom-made Hemipelvic Prosthesis Replacement for Primary Malignancies Involving the AcetabulumZhang Qiang, Du Junwei, Dai Zhibing, Wu Junshen, Jiang Renbing203-2084Comparative Study on the Joint Amnesia of Two Total Hip ProsthesisZhang Dong, Wei Jie, Jia Zhongwei, Sun Jiuqiang, Liu Jianyou, Cao Xinjie, Liu Siwen209-214,2195A Multicenter Study on Surveillance of Surgical Site Infection After Total Knee Arthroplasty in BeijingRen Yan, Liu Shuang, Yang Lin, Wu Yinghong, Chen Hui215-2196Applied Anatomical Study of"H"Point on the Posterolateral Tibial Plateau of AdultsZhu Chaohua, Li Jia, Liu Guobin, Dong Wei, Jia Guoxing, Huang Ye220-222,2287Study on Physicochemical Properties and Osteogenic Activity of Strontium Modified Magnesium Phosphate CementQiu Yonglong, Shi Yubo, Li Wei, Gong Changtian, Guo Weichun223-228