Wilson, S. J., Ward, J. A., Sousa, A. R., Corfield, J., Bansal, A. T., De Meulder, B., Lefaudeux, D., Auffray, C., Loza, M. J., Baribaud, F., Fitch, N., Sterk, P. J., Chung, K. F., Gibeon, D., Sun, K., Guo, Y., Adcock, I., Djukanovic, R., Dahlen, B., Chanez, P., Shaw, D., Krug, N., Hohlfeld, J., Sandström, T., & Howarth, P. H. (2016). severe asthma exists despite suppressed tissue inflammation: findings of the U-BIOPRED study. European respiratory journal, 48(5), 1307–1319. http://access.bl.uk/ark:/81055/vdc_100172018532.0x00004b