title: Partitioning of the contributions of rib cage and abdomen to ventilation in ankylosing spondylitis.
mesh_terms: D000328:Adult; D001921:Brain / Q000502:physiology; D005133:Eye Movements; D005403:Fixation, Ocular; D006801:Humans; D008722:Methods; D011932:Reading; D012160:Retina / Q000502:physiology; D013997:Time Factors