title: Regional lung function in chronic airways obstruction.
mesh_terms: D000402:Airway Obstruction / Q000503:physiopathology*; D001249:Asthma / Q000503:physiopathology; D001991:Bronchitis / Q000503:physiopathology; D002908:Chronic Disease; D006333:Heart Failure / Q000503:physiopathology; D006801:Humans; D008168:Lung / Q000503:physiopathology*; D008176:Lung Volume Measurements; D008875:Middle Aged; D011656:Pulmonary Emphysema / Q000503:physiopathology; D012129:Respiratory Function Tests; D012131:Respiratory Insufficiency / Q000503:physiopathology; D014692:Ventilation-Perfusion Ratio; D014980:Xenon Radioisotopes
chemical_list: D014980:Xenon Radioisotopes