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Combination Chemotherapy With or Without Peripheral Stem Cell Transplantation, Radiation Therapy, and/or Surgery in Treating Patients With Ewings Sarcoma
Generic Database of Very Low Birth Weight Infants
Genetic Analysis of Brain Tumors
Isotretinoin With or Without Monoclonal Antibody, Interleukin-2, and Sargramostim Following Stem Cell Transplantation in Treating Patients With Neuroblastoma
Low-Dose Radiation Therapy and Combination Chemotherapy Following Surgery in Treating Children With Newly Diagnosed Primitive Neuroectodermal Tumor or Medulloblastoma