title: Early recognition of chronic airway disease by the  133 Xe lung scan.
mesh_terms: D000328:Adult; D000402:Airway Obstruction / Q000175:diagnosis* / Q000000981:diagnostic imaging; D002908:Chronic Disease; D005260:Female; D006801:Humans; D008722:Methods; D011859:Radiography; D011868:Radioisotopes; D011877:Radionuclide Imaging; D012129:Respiratory Function Tests; D013147:Spirometry; D013997:Time Factors; D014978:Xenon
chemical_list: D011868:Radioisotopes; D014978:Xenon