title: Ventilatory function and transfer factor in ankylosing spondylitis.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002908:Chronic Disease; D005260:Female; D006801:Humans; D008168:Lung / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D011658:Pulmonary Fibrosis / Q000175:diagnosis; D013902:Radiography, Thoracic; D012129:Respiratory Function Tests; D013131:Spine / Q000000981:diagnostic imaging; D013167:Spondylitis, Ankylosing / Q000000981:diagnostic imaging / Q000503:physiopathology*; D014797:Vital Capacity