Rituximab and Combination Chemotherapy in Treating Patients With Stage II, Stage III, or Stage IV Diffuse Large B-Cell Non-Hodgkin's Lymphoma
Eastern Cooperative Oncology Group
Eastern Cooperative Oncology Group
SWOG Cancer Research Network
Canadian Cancer Trials Group
AIDS Malignancy Consortium
SWOG Cancer Research Network
SWOG Cancer Research Network
AIDS Malignancy Consortium
Children's Oncology Group
SWOG Cancer Research Network