Gleeson, M., Counsell, N., Cunningham, D., Lawrie, A., Clifton‐Hadley, L., Hawkes, E., McMillan, A., Ardeshna, K. M., Burton, C., Chadwick, N., Gambell, J., Smith, P., Mouncey, P., Pocock, C., Radford, J., Davies, J., Turner, D., Kruger, A., Johnson, P., & Linch, D. (2021). 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. British journal of haematology, 192, 1015–1019. http://access.bl.uk/ark:/81055/vdc_100123971783.0x000063