Spondylitis Association of America - Supports education, research and treatment for ankylosing spondylitis and related diseases. Description of the disease, personal stories, online forum, and other resources for patients and physicians. National Ankylosing Spondylitis Society - A resource for sufferers. Information about the disease, with practical advice on daily living and a must-do daily exercise schedule. United Kingdom. My Back Pages Regarding Ankylosing Spondylitis - Personal pages of Chris Gates telling of his experience with the condition. MedicineNet: Ankylosing Spondylitis - Information, including causes, symptoms, diagnosis, treatment options and areas of research. AS Support Group - Offers communication, medical and support centers for those with the disease. NHS Choices: Ankylosing Spondylitis - Provides information on this type of chronic arthritis. Includes details of symptoms, causes, diagnosis, treatment, complications and self help. eMedicine: Ankylosing Spondylitis and Undifferentiated Spondyloarthropathy - Full text article compares these diseases. eMedicine: Ankylosing Spondylitis - A review, including the epidemiology, causes, diagnosis, and treatment. MayoClinic.com - Ankylosing Spondylitis - Offers an overview of the disease, along with links that lead to more information. Ankylosing Spondylitis International Federation - World-wide roof organization, lists addresses and additional data of self-help societies of patients suffering from this or related diseases in 30 countries.