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
Eastern Cooperative Oncology Group
Eastern Cooperative Oncology Group
Children's Oncology Group
Canadian Cancer Trials Group
Children's Oncology Group
Children's Oncology Group
Children's Oncology Group
Children's Oncology Group
SWOG Cancer Research Network
SWOG Cancer Research Network
SWOG Cancer Research Network