Feline Lower Urinary Tract Disease - Fact sheet about this disease from the Cornell Feline Health Center. - http://www.vet.cornell.edu/fhc/brochures/urinary.html
FUS (Feline Urinary Syndrome or FLUTD) - Answers to frequently asked questions about this disease including symptoms, causes and management of the condition. - http://www.sniksnak.com/cathealth/fusfaqs.html
Feline Cystitis - Provides answers to frequently asked questions about FLUTD, also known as feline urologic syndrome (FUS). - http://www.homevet.com/petcare/cystitis.html