Comparison of Combination Chemotherapy Regimens in Treating Patients With Ewing's Sarcoma or Neuroectodermal Tumor
Children's Oncology Group
Children's Oncology Group
Children's Oncology Group
Sheffield Teaching Hospitals NHS Foundation Trust
Children's Oncology Group
Institut Claudius Regaud
Alliance for Clinical Trials in Oncology
GOG Foundation
European Organisation for Research and Treatment of Cancer - EORTC
National Cancer Institute (NCI)
Children's Oncology Group
National Cancer Institute (NCI)
Children's Oncology Group
Children's Oncology Group
European Organisation for Research and Treatment of Cancer - EORTC