title: Ankylosing spondylitis--diagnostic and orthopaedic problems.
mesh_terms: D000328:Adult; D005260:Female; D006680:HLA Antigens / Q000032:analysis; D006801:Humans; D008297:Male; D009068:Movement; D009985:Orthopedics; D013131:Spine / Q000503:physiopathology; D013167:Spondylitis, Ankylosing / Q000175:diagnosis* / Q000503:physiopathology / Q000601:surgery
chemical_list: D006680:HLA Antigens