References in periodicals archive ?
Assessment in Ankylosing Spondylitis International Working Group/ Spondylitis Association of America recommendations for conducting clinical trials in ankylosing spondylitis.
The Spondylitis Association of America estimates that at least 500,000 people in the U.S.
Information on ankylosing spondylitis can be found by contacting the Spondylitis Association of America. For more than 20 years, the SAA has dedicated all of its resources to funding programs and research that directly benefit the AS community.