1- Koppler, H., K. H. Pfluger, I. Eschenbach, et al. 1989. "CHOP-VP16 chemotherapy and involved field irradiation for high grade non-Hodgkin's lymphomas: a phase II multicentre study." Br J Cancer 60(1):79-82.
2- Pfreundschuh, M., L. Trumper, M. Kloess, et al. 2004. "Two-weekly or 3-weekly CHOP chemotherapy with or without etoposide for the treatment of elderly patients with aggressive lymphomas: results of the NHL-B2 trial of the DSHNHL." Blood. 104(3):634-641.
3- Pfreundschuh, M., C. Zwick, S. Zeynalova, et al. 2008. "Dose-escalated CHOEP for the treatment of young patients with aggressive non-Hodgkin's lymphoma: II. Results of the randomized high-CHOEP trial of the German High-Grade Non-Hodgkin's Lymphoma Study Group (DSHNHL)." Ann Oncol 19(3):545-552.
4- Schmitz, N., L. Trumper, M. Ziepert, et al. 2010. "Treatment and prognosis of mature T-cell and NK-cell lymphoma: an analysis of patients with T-cell lymphoma treated in studies of the German High-Grade Non-Hodgkin Lymphoma Study Group." Blood 116(18):3418-3425.