| Keywords: |
controlled study; aged; prednisone; clinical trial; doxorubicin; comparative study; rituximab; antineoplastic agent; prospective study; prospective studies; controlled clinical trial; randomized controlled trial; antineoplastic combined chemotherapy protocols; cyclophosphamide; vincristine; monoclonal antibody; b cell lymphoma; lymphoma, b-cell; antibodies, monoclonal; drug derivative; aging; large cell lymphoma; lymphoma, large-cell, diffuse; humans; human; article; chop protocol, modified
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