Kilder:.
1. "Allergi /allergi", på MedicineNet.com, af Alan Szeftel, MD, FCCP; redigeret af William C. Shiel Jr., MD, FACP, FACR - https://www.medicinenet.com/allergy/article.htm
2.
"Overfølsomhed og kronisk inflammation", Patologi del IB, Forelæsning 14 (online) - https://www-immuno.path.cam.ac.uk/-immuno/part1/lec13/lec13_97.html
3. "Allergener & Allergi Basics", revideret af Normal Klein , MD, FAAAAI på YourTotalHealth (online) - https://yourtotalhealth.ivillage.com/allergens-allergy-basics.html