1Trauma rescue strategies under the COVID-19 epidemicBai Xiangjun, Tang HuimingFORUM FOR EXPERTS1-42Preliminary clinical application of external pelvic reduction frame in closed reduction and minimally invasive fixation of pelvic fracturesLi Yue, Li Hui, Li Tianyu, He Li, Luo Yangxing, Hu Yinghua, Zhang Qian, Yin Enzhi, Li Zhanfei, Bai Xiangjun, Yi ChenglaORIGINAL ARTICLES5-93Finite element comparison of different fixation methods of the new-type dynamic anterior plate-screw system for quadrilateral plate in the treatment of acetabular both-column fracturesWu Haiyang, Shao Qipeng, Cai Xianhua, Shang Ranran, Song Chengjing, Liu XimingORIGINAL ARTICLES10-144Clinical study of 3D printed guide template for surgical internal fixation in hip fractureWu Fan, Wang Yue, Cao Lei, Niu Yanhui, Zhang Liming, Wang YongpingORIGINAL ARTICLES15-195Risk factors of death in elderly patients with hip fracture at 6 months after operationYan Wenqian, Yan DongORIGINAL ARTICLES20-226Pre-fracture type kirschner wire tension band combined with PDS Ⅱ purse-string suture for the treatment of comminuted patella fractureWang Lizuo, Ao Chuanxi, Wang Kui, Peng Feng, Zhu Bin, Luo YuanchengORIGINAL ARTICLES23-277Effect of PFNA placement site design on efficacy and safety of patients with femoral intertro-chanteric fractureLiu Jun, Xie Hua, Zhao Yinbi, Dai Liansheng, Zhu Aiping, He Jin, Zhang XingORIGINAL ARTICLES28-328Analysis on clinical efficacy of artificial femoral head replacement for unstable intertrochan-teric fractures in elderly patients with osteoporosisYang Zhaoxu, Tian Zhi, Xing Dong, Wei Jingchao, Li Xuming, Li WenyiORIGINAL ARTICLES33-369Clinical observation on the treatment of displaced femoral neck fracture in the elderly with hemiarthroplasty via minimally invasive supercap approachGeng Xiaolin, Zhou Yingfeng, Yu Meng, Tao Jingang, Xu HaibinORIGINAL ARTICLES37-4010Minimally invasive open reduction combined with proximal femoral hollow locking plate in the treatment of Pauwells type Ⅲ femoral neck fractureMa Zhijun, Wu Shuang, Wang Jinggui, Wang WenliangORIGINAL ARTICLES41-4411Clinical research of microsurgical repair combined with VSD in the treatment of hand trau-ma infectionsLu Linhua, Ji Benliang, Xia Gangjun, Lv Wentao, Feng JieORIGINAL ARTICLES45-4712Clinical application of microvascular stapler in repairing soft tissue defects of lower extremity with free anterolateral femoral flapLuo Ping, Gan Ganda, Jiang QinbaiORIGINAL ARTICLES48-5213Anterograde sural neurovascular flap for repairing tibia exposed in the upper calfZhang Lixuan, Shen Guoliang, Huang Chunhui, Han Wei, Hou Jiamin, Sun YangORIGINAL ARTICLES53-5514Preliminary study on the increased risk of fracture in obese rats after sleeve gastrectomyWang Qiang, Cen Xiaoxia, Wen Xingzhu, Li Wei, Zhang WeiORIGINAL ARTICLES56-6015Clinical application of controllable and portable of double-pins integrative traction device on legZhao Zeyu, Pu Shaoquan, Lv Qian, Xia Shen, Qi Xin, Chen Hanfen, Xu Yongqing, Zhu YueliangORIGINAL ARTICLES61-6516Advances in renal trauma grading assessment and clinical treatment decisions by using MDCTYang Qian, Zhang WeiguoREVIEWS66-6917Research progress on surgical treatment of traumatic multiple rib fracturesWang Ruilu, Ma Bingling, Wang YingREVIEWS70-7318Advances in Ilizarov technique for the treatment of tubular bone defectHu Kezhi, Gan Ganda, Ren Lei, Lv Bo, Yan Zezheng, Zhang SuREVIEWS74-7719Progress in clinical research of diagnosis and treatment of fat embolism syndromeChen Zhongwei, Zhang Junfei, Du Wujun, Ma Linrui, Feng KeREVIEWS78-81 