Patel, M., Pilcher, J., Munro, C., Hosking, A., Pritchard, A., Shaw, D., …Beasley, R. (in press). Short-acting β-agonist use as a marker of current asthma control. Journal of Allergy and Clinical Immunology: In Practice, 1(4), https://doi.org/10.1016/j.jaip.2013.04.008