title: Reiter's syndrome: long-term follow-up in relation to development of ankylosing spondylitis.
mesh_terms: D016918:Arthritis, Reactive / Q000150:complications* / Q000000981:diagnostic imaging / Q000235:genetics; D005500:Follow-Up Studies; D006680:HLA Antigens / Q000032:analysis; D006801:Humans; D008297:Male; D008875:Middle Aged; D012446:Sacroiliac Joint / Q000000981:diagnostic imaging; D013167:Spondylitis, Ankylosing / Q000000981:diagnostic imaging / Q000209:etiology*; D014057:Tomography, X-Ray Computed
chemical_list: D006680:HLA Antigens