we have studied patterns of treatment failure in 49 evaluable children with burkitt 's lymphoma ( bl ) who received chemotherapy at different levels of intensity of cyclophosphamide , vincristine , methotrexate ( mtx ) or cytosine arabinoside , with or without high-dose dexamethasone , combined with intrathecal mtx .
C0006413
burkitt 's lymphoma
C0010583
cyclophosphamide