Efficacy of ifosfamide and doxorubicin given as a phase II “window” in children with newly diagnosed metastatic rhabdomyosarcoma: A report from the Intergroup Rhabdomyosarcoma Study Group. - Sandler,E.; Lyden,E.; Ruymann,F.; Maurer,H.; Wharam,M.; Parham,D.; Link,M.; Crist,W. (Med Pediatr Oncol, 2001)