Reviewed by Michael Smith on December 11, 2018
Mayo Clinic: "Ankylosing spondylitis." <br>Arthritis Foundation: "What is Ankylosing Spondylitis?"<br> Healthline: "Human Leukocyte Antigen B27 (HLA-B27)," "The Progression of Ankylosing Spondylitis." <br>SpineUniverse: "Ankylosing Spondylitis Animation."
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This inflammatory disease mostly affects your spine. Learn about who it affects, early symptoms, and treatment options.
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