Dexamethasone/Etoposide/Ifosfamide/Methotrexate/Pegaspargase/Vincristine
dexamethasone/etoposide/ifosfamide/methotrexate/pegaspargase/vincristine
DM/IFF/MTX/PEG-ASP/VCR/VP-16
dm/iff/mtx/peg-asp/vcr/vp-16