Jennifer L. J. Heaney, Alex Richter, Stella Bowcock, Guy Pratt, J. Anthony Child, Graham Jackson, Gareth Morgan, Ingemar Turesson and Mark T. Drayson (2020) “Excluding myeloma diagnosis using revised thresholds for serum free light chain ratios and M-protein levels”, Haematologica. Pavia, Italy, 105(4), pp. e169-e171. doi: 10.3324/haematol.2019.224360.