Ifosfamide and etoposide are superior to vincristine and melphalan for pediatric metastatic rhabdomyosarcoma when administered with irradiation and combination chemotherapy: A report from the Intergroup Rhabdomyosarcoma Study Group. - Breitfeld,PP.; Lyden,E.; Raney,RB.; Teot,LA.; Wharam,M.; Lobe,T.; Crist,WM.; Maurer,HM.; Donaldson,SS.; Ruymann,FB. (J Pediatr Hematol Oncol, 2001)