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
State Budgetary Healthcare Institution, National Medical Surgical Center N.A. N.I. Pirogov, Ministry of Health of Russia
University College, London
Eastern Cooperative Oncology Group
Children's Oncology Group
Children's Oncology Group
University of Cologne
University of Cologne
Martin-Luther-Universität Halle-Wittenberg
Children's Oncology Group
French Innovative Leukemia Organisation
Fondazione Michelangelo
National Cancer Institute (NCI)
National Cancer Institute (NCI)