1. Global Initiative for Asthma GINA Global Strategy for Asthma Management and Prevention Global Initiative for Asthma (GINA). Available from: https://ginasthma.org/wp-content/uploads/2021/05/Whats-new-in-GINA-2021_final_V2.pdf.[Last accessed on2022 Jan].
2. WHO | Global Alliance against Chronic Respiratory Diseases. Available from: https://www.who.int/gard/en/. [Last accessed on 2022 Jan 18].
3. Asthma endotypes: A new approach to classification of disease entities within the asthma syndrome;Lötvall;J Allergy ClinImmunol,2011
4. Cluster analysis and clinical asthma phenotypes;Haldar;Am JRespirCrit Care Med,2008
5. Non-eosinophiliccorticosteroidunresponsive asthma;Pavord;Lancet,1999