Heaney, J. L. J., Richter, A., Bowcock, S., Pratt, G., Child, J. A., Jackson, G., Morgan, G., Turesson, I. and Drayson, M. T. (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.