1. Oettgen H, Broide DH. Introduction to mechanisms of allergic disease. In: Holgate ST, Church MK, Broide DH, Martinez FD, editors. Allergy. 4th ed. London: Elsevier Health Sciences UK; 2011. p. 1–32.
2. Bousquet J, Khaltaev N, Cruz AA, Denburg J, Fokkens WJ, Togias A, et al. Allergic Rhinitis and its Impact on Asthma (ARIA) 2008 update (in collaboration with the World Health Organization, GA(2)LEN and AllerGen). Allergy. 2008;63 Suppl:86:8–160.
3. Brozek JL, Bousquet J, Agache I, Agarwal A, Bachert C, Bosnic-Anticevich S, et al. Allergic Rhinitis and its Impact on Asthma (ARIA) guidelines-2016 revision. J Allergy Clin Immunol. 2017;140:950–8.
4. Hellings PW. What is allergic rhinitis? In: Akdis CA, Hellings PW, Agache L, editors. Global atlas of allergic rhinitis and chronic rhinosinusitis. Switzerland: The European Academy of Allergy and Clinical Immunology; 2015. p. 2–4.
5. Pawankar RS, Sánchez-Borges M, Bonini S, Kaliner MA. Allergic rhinitis, allergic conjunctivitis, and rhinosinusitis. In: Pawankar R, Canonica GW, Holgate ST, Lockey RF, Blaiss MS, editors. White book on allergy: update 2013. United States of America: World Allergy Organization (WAO); 2013. p. 27–33.