BUPA: Adenoidectomy
   A fact sheet explaining the reasons and procedure involved. May be downloaded as PDF.
   http://hcd2.bupa.co.uk/fact_sheets/mosby_factsheets/adenoidectomy.html

Ear Nose and Throat Patient Information
   A large selection of brochures for patients to learn about ear, nose, throat and sinuses. A section for health care providers regarding diagnoses and treatment for sinus disease.
   http://www.sinuscarecenter.com/

Hear-it
   Learn about hearing loss with facts, figures, causes, signs, and consequences of hearing impairment. Personal experiences, advice, treatment, and hearing aids. Includes section on children.
   http://www.hear-it.org

Otoophtalmical Neurophysiology
   Patient and scientific information about vertigo, dizziness, tinnitus and other neurosensorial disorders, diagnosis and treatment. In Spanish, English and German.
   http://www.vertigo-dizziness.com

The Empty Nose Syndrome Association
   Non-profit organization founded to inform the public of possible negative side effects related to sinus and turbinate reduction surgery.
   http://www.emptynosesyndrome.org