Comparison of Combination Chemotherapy Regimens in Treating Patients With Ewing's Sarcoma or Neuroectodermal Tumor
Children's Oncology Group
Children's Oncology Group
Dana-Farber Cancer Institute
City of Hope Medical Center
Children's Oncology Group
Children's Oncology Group
National Cancer Institute (NCI)
Memorial Sloan Kettering Cancer Center
National Cancer Institute (NCI)