1Destandau mobile endoscopic discectomy technique for lumbar disc herniationYAO Guanfeng, QI Weili, WANG Xinjia, WANG Weidong, ZENG Jican, KONG KangmeiClinical Research245-2502Application of semitendinosus tendon for the reconstruction of anterior cruciate ligament in limb salvage surgery of malignant bone tumorsZHANG Peng, CAI Qiqing, GAO Songtao, WANG Jiaqiang, YAO Weitao, WANG XinClinical Research251-2553Comparison of clinical effects and perioperative complications between unilateral and simultaneous bilateral total knee arthroplasty for the treatment of knee osteoarthritisCHEN Tao, LIN Zonghan, ZENG Xianhui, CHEN Yueping, FENG Zhe, LIU FengClinical Research256-2624Treatment of self-locking spinning insertion nail for 415 patients with long bone fracturesZHANG Zhongzi, ZHANG Wu, ZHAO FengClinical Research263-2695Application of sural neurocutaneous vascular flap and reversed gastrocnemius tendon flap for the treatment of Achilles tendon rupture and skin defectsLI Fuwen, LIANG Peichang, LIANG Xiaojun, HUANG Xiaozhong, DONG JinbiaoClinical Research270-2746Effect of vitrification on survival rate and biological activity of rabbit articular chondrocytesFAN Xuemin, LI Pengcui, DING Juan, WEI XiaochunBasic Research275-2807Current researches of modern techniques of diagnosis and treatment for atlantoaxial dislocationWANG Jianhua, YIN Qingshui, XIA HongReview291-2998Current of percutaneous kyphoplasty for the treatment of osteoporotic vertebral compression fracturesXU Yaoning, ZHENG Qiujian, CHANG Yunbing, YIN DongReview300-307