S1011 Standard or Extended Pelvic Lymphadenectomy in Treating Patients Undergoing Surgery for Invasive Bladder Cancer
SWOG Cancer Research Network
SWOG Cancer Research Network
European Organisation for Research and Treatment of Cancer - EORTC
Eastern Cooperative Oncology Group
Eastern Cooperative Oncology Group
Vall Hebron Insitut Recerca
Egyptian Biomedical Research Network