author = {Amy S Ruppert and Jesse G Dixon and Gilles Salles and Anna Wall and David Cunningham and Viola Poeschel and Corinne Haioun and Hervé Tilly and Herve Ghesquieres and Marita Ziepert and Jocelyne Flament and Christopher Flowers and Qian Shi and Norbert Schmitz},
    year = {2020},
    title = {International Prognostic Indices in Diffuse Large B-cell Lymphoma: A Comparison of IPI, R-IPI, and NCCN-IPI },
    journal = {Blood},
    volume = {135(23)},
    pages = {2041-2048}