5-Drug Combination Chemotherapy with Hematologic Toxicity Attenuation. EPOCH: Etoposide, VP-16, NSC-141540; Prednisone, PRED, NSC-10023; Vincristine, VCR, NSC-67574; Cyclophosphamide, CTX, NSC-26271; Doxorubicin, DOX, NSC-123127; with Granulocyte Colony-Stimulating Factor (Amgen), G-CSF, NSC-614629.