title: Effect of speed of inspiration on gas distribution in lungs of normal subjects and patients with bronchitis.
mesh_terms: D000403:Airway Resistance; D001991:Bronchitis / Q000503:physiopathology*; D006801:Humans; D008168:Lung / Q000502:physiology* / Q000503:physiopathology*; D011868:Radioisotopes; D012119:Respiration; D013147:Spirometry; D014978:Xenon
chemical_list: D011868:Radioisotopes; D014978:Xenon