1. Global Asthma Network (GAN). The Global Asthma Report; 2018. Available from: http://www.globalasthmareport.org/Global%20Asthma%20Report%202018.pdf. Accessed May 16, 2020.

2. Pawankar R, Canonica G, Holgate S, Loceky R World Allergy Organisation (WAO). White Book on Allergy. Wisconsin: world Allergy Organisation; 2020. Available from: https://www.worldallergy.org/UserFiles/file/WhiteBook2-2013-v8.pdf. Accessed May 16, 2020.

3. European Lung white book. 2018. Available from: https://www.erswhitebook.org/chapters. Accessed May 16, 2020..

4. Allergic Rhinitis and its Impact on Asthma (ARIA) 2008*

5. Impact of Allergic Rhinitis Symptoms on Quality of Life in Primary Care