1Mukhopadhyay P,Gairola M,Sharma MC,et al.Primary spinal epidural extraosseous Ewing's sarcoma:Report of five cases and literature review[J].Australasian Radiology,2001,45(3):372-379.
2HAM SJ,Schraffordt Koops H,Veth RP,et al,external and internal hemipelvectomy for Ewing's sarcoma of the pelvic girdle:consequences of limb-salvage treatment[J].Eur J Surg Oncol,1997,23(6):540-546.
3Ferrari S,Mercuri M,Rosito P,et al.Ifosphamide and actinomycin-D added in the induction phase to vincristine,cyclophosphamide and doxorubicin,improve histologic response and prognosis in patients with nin metastatic Ewing's sarcoma of the extremity[J].J Chemother,1998,10(6):484-491.