Veterinary Medical Teaching Hospital: This site has a very short article, but has a good photograph of the horrible ulcerative outbreak in the throat.
Vet Dentistry: This is a lengthy article that discusses PLS and also discusses good dental hygiene. Although PLS occurs for unknown reasons (auto-immune is most popular theory) good dental hygiene is always important for your pet, and does decrease discomfort in this awful disease.
CFA Health Committee: This is a good article that talkes about PLS and general chronic gingivitis. It discusses several treatment options.
All Pets Dental: This article discusses possible causes as well as treatments. It shows a picture of the inflamed gingiva.
If you have any additional information on this disease, or if you and your pet are going through this as well, please e-mail me: [email protected]. Due to the junk mail hotmail has been overcome with, please mention PLS in the subject line.