Donor Natural Killer Cells, Cyclophosphamide, and Etoposide in Treating Children and Young Adults With Relapsed or Refractory Solid Tumors
M.D. Anderson Cancer Center
M.D. Anderson Cancer Center
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Masonic Cancer Center, University of Minnesota
City of Hope Medical Center
Children's Oncology Group
Children's Oncology Group