Ulf Thunberg, Gunilla Enblad, Mattias Berglund. Classification of diffuse large B-cell lymphoma by immunohistochemistry demonstrates that elderly patients are more common in the non-GC subgroup and younger patients in the GC subgroup. Haematologica 2012;97(2):e3-e3; https://doi.org/10.3324/haematol.2011.057240.