Lorvotuzumab Mertansine in Treating Younger Patients With Relapsed or Refractory Wilms Tumor, Rhabdomyosarcoma, Neuroblastoma, Pleuropulmonary Blastoma, Malignant Peripheral Nerve Sheath Tumor, or Synovial Sarcoma
Children's Oncology Group
Children's Oncology Group
Novartis
National Cancer Institute (NCI)
National Cancer Institute (NCI)