Surgery and Combination Chemotherapy in Treating Children With Extracranial Germ Cell Tumors
Children's Oncology Group
Children's Oncology Group
UNICANCER
Radiation Therapy Oncology Group
Children's Oncology Group
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
European Organisation for Research and Treatment of Cancer - EORTC