RT or No RT Following Chemotherapy in Treating Patients With Stage III/IV Hodgkin's Disease
European Organisation for Research and Treatment of Cancer - EORTC
European Organisation for Research and Treatment of Cancer - EORTC
European Organisation for Research and Treatment of Cancer - EORTC
European Organisation for Research and Treatment of Cancer - EORTC
Radiation Therapy Oncology Group
Radiation Therapy Oncology Group
Eastern Cooperative Oncology Group
Eastern Cooperative Oncology Group
AIDS Malignancy Consortium
SWOG Cancer Research Network
Radiation Therapy Oncology Group
Children's Oncology Group
Children's Oncology Group
European Organisation for Research and Treatment of Cancer - EORTC