1Recognition of some problems in clinical diagnosis and treatment of chronic osteomyelitis after limb bone traumaZHAO Yu-fengFORUM FOR EXPERTS481-4852Assessment of the initial effect of operation on traumatic orthopedics patients under epidemic of novel coronavirus pneumoniaLIU Xi-ming, HUANG Ming, WANG Guo-dong, WANG Hua-song, HAN Jing, CHEN Jia, XU FengORIGINAL ARTICLES486-4893Systematic control strategy and clinical treatment experiences of orthopedic surgery patients during the epidemic of COVID-19ZHANG Sen, CHEN Xian-ming, GOU Wen-long, SHI Ling, ZHU Ji-feng, WU Si-yu, ZHU Jun, LIU Peng, WANG Zi-ming, XIONG YanORIGINAL ARTICLES490-4944Characteristics and management strategies of traumatic orthopedic patients during the COVID-19 periodLI Zheng-bin, LI Qing-hu, DONG Jin-lei, HAO Zhen-hai, ZHOU Dong-sheng, LI Lian-xinORIGINAL ARTICLES495-4985Management and response strategies for scheduled orthopedic surgery during the outbreak of COVID-19YANG Rui, LI Chi, DUAN Qian-qian, CAO Yi-teng, FU De-hao, GUO Zhong-huaORIGINAL ARTICLES499-5016Clinical study of bundle of measures for preventing external cerebral ventricular drainage associated intracranial infectionZHANG Nan-nan, QIU Ruo-wei, PEI Hua-qing, YIN Chun-ping, CHEN Shao-yu, XU Hao, WANG Hong-xiaoORIGINAL ARTICLES502-5067Effect of VSD with different negative pressure values on the process of wound healingXIE Zhen-xing, BAI Xiang-jun, WANG Wei-yangORIGINAL ARTICLES507-5128Comparative study of MultiLoc intramedullary nail and PHILOS plate in the treatment of proximal humeral fracturesFENG Ting, LI Jun, CHEN Zi-feng, WANG Yong-shengORIGINAL ARTICLES513-5169Clinical study on hyperbaric oxygen therapy for convalescent patients with severe craniocerebral injury in ICUTIAN Yu, MIAO Shu-chuan, HUANG Jin, QIN Yi-WeiORIGINAL ARTICLES517-52010Comparative study of video-assisted thoracoscopic surgery and open thoracotomy for traumatic hemopneumothorax and its effect on stress factors and pain factorsLUO Lei, YANG Yan-hui, LI Ji, WANG Yi, XIE Xiao-yangORIGINAL ARTICLES521-52411Effect of Sextant minimally invasive surgery and traditional median approach on the recovery of traumatic thoracolumbar fracture and the level of serum NSE and GFAPLIN Hong-liang, ZHENG Nan-sheng, HUANG Tian, ZHANG Yu-zhuan, WU Yong-leORIGINAL ARTICLES525-52812Effect of pedicle screw rod internal fixation system in the treatment of anterior pelvic ring fractureGUI Long-yun, JIANG Yun-yun, YUAN Zhong-shanORIGINAL ARTICLES529-53113Comparative study of the effect of extensor device protection approach and ulna olecranon osteotomy approach on patients with type C fracture of the distal humerusNIU Dong-tian, ZHOU Guo, WANG Zhen-junORIGINAL ARTICLES532-53614Risk factors for failure of free skin flap transplantation in patients with finger pulp defect and suggestions for prevention and treatmentWANG Le, WANG Hui, GUO Hui, LI Chun-jiangORIGINAL ARTICLES537-54015Perioperative application of different calcaneal traction weights in the treatment of Pilon fractureSUN Guang-chao, FU Bing-jin, ZHAO Yong-jie, GUAN Guo-feng, ZHU Xiao-dongORIGINAL ARTICLES541-54316Clinical application free anterolateral thigh perforator flap combined with external fixation stent in calf Gustilo type Ⅲ fractureHU Qi-gong, OU Chang-liang, ZHOU Xin, LUO Xu-chao, ZOU Yong-gen, YANG Ji-xiang, CHEN Xiao-junORIGINAL ARTICLES544-54617Effects of mini-plate and screw fixation in treating posterior ankle fractureXU Teng-fei, LONG YiORIGINAL ARTICLES547-55018Effects of urethral pull-in combined with urethral anastomosis on urodynamics,sexual function and quality of life in male patients with urethral stricture after traumaWEN Hong-zhuang, GAO She-quanORIGINAL ARTICLES550-55419Advances in evaluation of preoperative risk scoring system for elderly hip fracture surgery and its clinical significanceLIAO Shi-liang, LAN Xiu-fuREVIEWS555-557,56120Pre-hospital care for abdominal traumaHUANG Guang-bin, HU PingLECTURE558-561 