"odynophagia". The American Heritage Science Dictionary. Houghton Mifflin Company. Archived from the original on 12 June 2018. Retrieved 28 February 2017.
mayoclinic.com
Mayo Clinic Staff (8 August 2016). "Epiglottitis Symptoms". Mayo Clinic (به انگلیسی). Mayo Foundation for Medical Education and Research (MFMER). Retrieved 28 February 2017.
"odynophagia". The American Heritage Science Dictionary. Houghton Mifflin Company. Archived from the original on 12 June 2018. Retrieved 28 February 2017.