1Limb salvage treatment of malignant bone tumorLI Fobao, SHEN Jingnan, WANG Jin313-3172Clinical research of surface osteosarcomaLI Nan, XU Wanpeng, GUO Wei, YANG Rongli318-3223Surgical resection of osteosarcoma at the metaphysis with joint preservationCAI Xuansong, MEL Jiong, YU Guangrong, GUO Diping323-3254Pay attention to the differentiation between telangiectatic osteosarcoma and aneurysmal bone cystBI Wuchan326-3285Experimental research on rapid production of hybridoma of human osteosarcoma and a preliminary investigation of in vitro immunogenicity effectWANG Zhen, L(U) Changwei, LI Liwen, PENG Lei, GUO Guang, CAO yunxin, LI Xuesong329-332,3286Dedifferentiated parosteal osteosarcoma333-3377The present status and prospect of experimental research of osteosarcomaYU Xiuchun, XU Wanpeng338-3408The expression and clinical significance of MDM2 gene in osteosarcoma and liposarcomaSONG Jingang, CHEN Hua, YANG Yun, XING Ruwei, ZHANG Jin341-3439Clinical progress in the management of primary non - Hodgkin lymphoma of boneYONG Weiben344-34610Tolerance to chemotherapy of sarcoma of bone and soft tissueTANG Shun, GUO Wei347-35211Diagnosis and treatment of malignant tumors in the proximal segment of the femur353-35612Subcutaneously embedded pump for intra - arterial administration of chemotherapy for the treatment of malignant tumors of the limbLI Shide, HUANG Chengbin, CHEN Xiaoming, XIAO Zengming, YANG Yuan, CHEN Qianfen, LUO Gaobin357-358,34313Clinical analysis of 122 cases of soft tissue sarcoma of the extremityZONG Xiangyun, SHI Yingqiang359-36114Foundation of medical statistics - random number and its applicationHU Liangping, LIU Huigang362-36315Genetic research of osteoporosis and the preseut status of the method of gene localizationDENG Hongwen, Robert R,Recker364-368