[1]Bellows.J. DVM, Dipl. AVDC, ABVP. Halitosis in Dogs[EB/OL].vcahospitals.com
[2]Burke.A.How to Get Rid of Stinky Dog Breath[EB/OL].www.akc.org,Update:Jul 08,2021
[3]Vogelsang.J.DVM.What is causing my pet's bad breath, and what can I do about it?[EB/OL]. petmd.com,Update:August 20,2015
[4]Dogonitparks Editoral. Howlitosis: When Bad Breath Happens to Good Dogs[EB/OL].dog-on-it-parks.com