References
https://www.aihw.gov.au/reports/chronic-respiratory-conditions/allergic-rhinitis-hay-fever/contents/allergic-rhinitis
https://www.allergy.org.au/patients/allergic-rhinitis-hay-fever-and-sinusitis
https://www.healthdirect.gov.au/hay-fever
https://www.allergy.org.au/patients/allergic-rhinitis-hay-fever-and-sinusitis/allergic-rhinitis-or-hay-fever