Interfant induction, now used by all 3 cooperative groups (Interfant, COG, and JPLSG). ARA-C, cytarabine; BMP, bone marrow procedure; DEXA, dexamethasone; DNR, daunorubicin; ITH, intrathecal; MTX, methotrexate; PRED, prednisone; VCR, vincristine.