Chan, Rory, et al. “A Retrospective Cohort Study to Evaluate the Relationship of Airway Hyperresponsiveness to Type 2 Biomarkers in Persistent Asthma”. Archives of Asthma, Allergy and Immunology, vol. 5, no. 1, Feb. 2021, pp. 008-13, doi:10.29328/journal.aaai.1001023.