a randomized trial of high-dose methotrexate versus standard-dose methotrexate following cyclophosphamide , doxorubicin ( adriamycin ) , vincristine , and prednisone with or without bleomycin in the therapy of diffuse large cell lymphoma : preliminary report of cancer and leukemia group b study 7851 .
C0032952
prednisone
C0023418
group