6Grier HE, Krailo MD, Tarbell NJ, et al. Addition of ifosfamide and etoposide to standard chemotherapy for Ewing's sarcoma and primitive neuroectodermal tumor of bone. N Engl J Med, 2003,348: 694-701.
7Marina NM, Etcubanas E, Parham DM, et al. Peripheral primitive neuroectodermal tumor( peripheral neuroepithelioma) in children. Cancer, 1989,64 : 1952-1960.
8Kushner BH, Hajdu TSI, Gulati SC, et al. Extracranial pimitive neuroectodermal tumors: the memorial Sloan-Kettering Cancer Center Experience. Cancer,1991,67:1825-1829.
9Karim F, Nadine D, Jean-Yves B, et al. Ewing' s family of tumors in adults:multivariate analysis of survival and long term results of multimodality therapy in 182 patients. J Clin Oncol, 1998,16: 3736-3743.
10Kushner BH, Meyers PA. How effective is dose-intensive/myeloablative therapy against ES/PNET metastatic to bone or bone marrow? J Clin Oncol,2001,19:870-880.
