Airway obstruction due to hypoxemia in patients with chronic lung disease.
D000328:Adult; D000368:Aged; D001784:Blood Gas Analysis; D001991:Bronchitis / Q000503:physiopathology*; D002908:Chronic Disease; D006801:Humans; D000860:Hypoxia / Q000150:complications*; D008297:Male; D008875:Middle Aged; D010102:Oxygen Inhalation Therapy; D010991:Plethysmography; D012129:Respiratory Function Tests