Use of the modified Borg scale and numerical rating scale to measure chronic breathlessness: A pooled data analysis

Johnson, M. J., Close, L., Gillon, S. C., Molassiotis, A., Lee, P. H., Farquhar, M. C., … White, P. (2016, June 1). Use of the modified Borg scale and numerical rating scale to measure chronic breathlessness: A pooled data analysis. European Respiratory Journal. European Respiratory Society. https://doi.org/10.1183/13993003.02089-2015