we treated 21 such patients with a high-dose combination chemotherapy regimen [ mega-comla ( cyclophosphamide , cytarabine , vincristine , and methotrexate followed by leucovorin and prednisone ) + chop ( cyclophosphamide , doxorubicin , vincristine , and prednisone ) ] in an attempt to improve disease-free survival .
C0082890
comla
C0042679
vincristine