Methotrexate With or Without Cyclophosphamide in Treating Patients With Lymphocytic Leukemia
Eastern Cooperative Oncology Group
Eastern Cooperative Oncology Group
Eastern Cooperative Oncology Group
ETOP IBCSG Partners Foundation
NSABP Foundation Inc
Children's Oncology Group
GOG Foundation
GOG Foundation
SWOG Cancer Research Network
SWOG Cancer Research Network
European Organisation for Research and Treatment of Cancer - EORTC
European Organisation for Research and Treatment of Cancer - EORTC