title: Lung fibrosis in ankylosing spondylitis.
mesh_terms: D001232:Aspergillus fumigatus / Q000302:isolation & purification; D003937:Diagnosis, Differential; D006801:Humans; D008168:Lung / Q000382:microbiology; D011658:Pulmonary Fibrosis / Q000175:diagnosis / Q000209:etiology*; D013167:Spondylitis, Ankylosing / Q000150:complications*; D014397:Tuberculosis, Pulmonary / Q000175:diagnosis