USA Ankylosing spondylitis society in USA
Spondylitis Association of America
16360 Roscoe Blvd Ste 100
Van Nuys, CA 91406, USA
Tel. (+1-818) 892-1616
Fax (+1-818) 892-1611
Approximately 20,000 members, primarily those affected by spondylitis and their families.
Local branches. We support a network of approximately 45 support groups across the United States