1Comparison to Treatment of Thoracolumbar Vertebral Fracture with Four Kinds Transvertebral Pedicle Internal Fixation SystemWANG Qin-ye, LUO Ya-ping, FENG Xia-ying, GUAN Zhi-hai, Xu Zhong-liang, TANG Feng481-4832Correlation between Pathological Findings of Lumbar Disc Annuius Fibrosus and Low Back PainWANG Yang-sheng, CHEN Qi-xin, ZHOU Ren483-4863Treatment of Osteoporotic Vertebral Compression Fractures with Percutaneous VertebroplastyMEI Sheng-qian, CHEN Qi-xin, XU Li-ming, LAN Jun487-4894The Treatment of Unstable Proximal Humerus Fractures Using LPHPSUN Shao-hua, XU Rong-ming, MA Wei-hu, HUANG Lei, YING Jiang-wei, JIANG Wei-yu, LI Peng-fei, ZHANG Si-sheng490-4925Internal Fixation for Displaced Proximal Humeral Fracture with Blade PlateXU Gang, XIA Jian-fang, YANG Feng, TAO Yong, XIE Lei493-4946Treatment of Type-C Fractures of Distal Radius with External FixatorLIU Yong, LIAN Xiao-fei, FAN Mao-hong, JIANG Xue-zhi495-4967Clinical Comparison Study for Treatment of Complex Fractures of Long Bone Stem in Upper Extremity with Shape Memory Alloy Encircling FixerYUAN Ai-dong, LI Wen-rui, LI Wen-hu, CAI Guang-rong497-5008Significance of Surgical Exploration on the Refractory Arterial Crisis after Replantation of Severed FingerWEI Peng, WANG Xin, CHEN Hong, WANG Xiao-feng, XUE Jian-bo, ZHOU Li-ming, HUANG Jian500-5029Limited Internal Fixation Combined with External Fixation in the Treatment of Multisegmental Fracture of HumeralLI Wen-gang, YU Ling-qi, GUO Yi, SUN Zheng-wen, ZHUANG Zong-xing, ZHANG Zhi502-50310Treatment of Suppurative Knee Arthritis with Debridement Under ArthroscopyLIN Rui-xin504-50611Surgical Treatment of Distal Femoral FracturesJIANG Wei-ping, WEI Bing-dan, YANG Xiao-ming, XIAN Wei506-50812Clinical Study of Autogenous Fat Particle Purify Transplant for Prevention of Tendon AdhesionHAN Wen-dong, ZHANG Qiang509-51113Three Squat Down Test in the Diagnosis of Meniscus TearZHANG Wen-tao, HUANG Ying, LU shi-bi511-51314Construction of Three Kinds of Membrane Guided Bone Regeneration and Comparison of Their Osteogenesis Capability in VivoJING Wen-xue, CAO Xian-lin, XU Dong-ming, HU Mao-zhong, YOU Jia, SUN Hong-fan514-520