title: PULMONARY FUNCTION IN ANKYLOSING SPONDYLITIS.
mesh_terms: D000844:Ankylosis; D001784:Blood Gas Analysis; D006801:Humans; D013147:Spirometry; D013166:Spondylitis; D013167:Spondylitis, Ankylosing
keywords: BLOOD GAS ANALYSIS; SPIROMETRY; SPONDYLITIS, ANKYLOSING