title: Ankylosing spondylitis.
mesh_terms: D005069:Evaluation Studies as Topic; D006680:HLA Antigens / Q000032:analysis; D006801:Humans; D008403:Mass Screening; D013167:Spondylitis, Ankylosing / Q000276:immunology / Q000517:prevention & control
chemical_list: D006680:HLA Antigens