Key references: Definition and symptoms of chronic rhinosinusitis

Bachert C, Pawankar R, Zhang L, Bunnag C, Fokkens WJ, Hamilos DL, et al. ICON: chronic rhinosinusitis. World Allergy Organ J 2014;7(1):25. https://www.ncbi.nlm.nih.gov/pubmed/25379119
Chandy Z, Ference E, Lee JT. Clinical guidelines on chronic rhinosinusitis in children. Curr Allergy Asthma Rep 2019;19(2):14. https://www.ncbi.nlm.nih.gov/pubmed/30796536
Orlandi RR, Kingdom TT, Hwang PH, Smith TL, Alt JA, Baroody FM, et al. International consensus statement on allergy and rhinology: rhinosinusitis. Int Forum Allergy Rhinol 2016;6 Suppl 1:S22–209. https://www.ncbi.nlm.nih.gov/pubmed/26889651