Sources: Oregano Oil
- https://ing.dk/artikel/antibiotika-i-danske-kyllinger-fordoblet-paa-aar-179288
- http://naturalingredient.org/?p=1574
- http://www.globalhealingcenter.com/natural-health/oregano-oil/
- http://wellnessmama.com/8409/oregano-herb-profile/
- http://theheartysoul.com/oregano-for-lung-cleanse/
- http://www.alive.com/health/oil-of-oregano/