NCT00073918 2017-08-18Iodine I 131 Tositumomab, Etoposide and Cyclophosphamide Followed by Autologous Stem Cell Transplant in Treating Patients With Relapsed or Refractory Non-Hodgkin's LymphomaFred Hutchinson Cancer CenterPhase 2 Completed111 enrolled 11 charts