Comparison of Combination Chemotherapy Regimens in Treating Patients With Ewing's Sarcoma or Neuroectodermal Tumor
Children's Oncology Group
Children's Oncology Group
Mayo Clinic
OHSU Knight Cancer Institute
National Institutes of Health Clinical Center (CC)
Children's Oncology Group
National Cancer Institute (NCI)
National Cancer Institute (NCI)
Technical University of Munich
Mayo Clinic
Mayo Clinic