title: [Estimation of regional ventilation by Xe-133 washout method--effect of expiratory loading for regional ventilation in patients with chronic pulmonary emphysema].
mesh_terms: D000368:Aged; D001945:Breathing Exercises; D002908:Chronic Disease; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D011656:Pulmonary Emphysema / Q000503:physiopathology* / Q000534:rehabilitation; D011659:Pulmonary Gas Exchange; D014980:Xenon Radioisotopes
chemical_list: D014980:Xenon Radioisotopes