4Link MP,Gebhardt MC,Meyers PA.Osteosarcoma//Pizzo PA,Poplack DG.Principles and Practice of Pediatric Oncology (chap.35).Baltimore,MD:Lippincott Williams and Wilkins,2002:1051-1089.
5Goorin AM,Harris MB,Bemstein M,et al.Phase Ⅱ/Ⅲ trial of etoposide and high-dose ifosfamide in newly diagnosed metastatic osteosarcoma:a pediatric oncology group trial.J Clin Oncol,2002,20(2):426-433.
6Saeter G,Hφie J,Stenwig AE,et al.Systemic relapse of patients with osteogenic sarcoma.Prognostic factors for long term survival.Cancer,1995,75(5):1084-1093.
7Thompson RC JR,Cheng EY,Clohisy DR,et al.Results of treatment for metastatic osteosarcoma with neoadjuvant chemotherapy and surgery.Clin Orthop Relat Res,2002(397):240-247.
8Bielack SS,Kempf-Bielack B,Delling G,et al.Prognostic factors in high-grade osteosarcoma of the extremities or trunk:an analysis of 1,702 patients treated on neoadjuvant cooperative osteosarcoma study group protocols.J Clin Oncol,2002,20(3):776-790.
9Kandioler D,Kromer E,Tüchler H,et al.Long-term results after repeated surgical removal of pulmonary metastases.Ann Thorac Surg,1998,65(4):909-912.
10Pakos EE,Nearchou AD,Grimer RJ,et al.Prognostic factors and outcomes for osteosarcoma:an international collaboration.Eur J Cancer,2009,45(13):2367-2375.