Prognostic indices in diffuse large B‐cell lymphoma in the rituximab era: an analysis of the UK National Cancer Research Institute R‐CHOP 14 versus 21 phase 3 trial. - Gleeson, Mary; Counsell, Nicholas; Cunningham, David; Lawrie, Anthony; Clifton‐Hadley, Laura; Hawkes, Eliza; McMillan, Andrew; Ardeshna, Kirit M.; Burton, Cathy; Chadwick, Nick; Gambell, Joanna; Smith, Paul; et al. (British Journal of Haematology, 2021)