title: CHANGES IN LUNG VOLUMES OF EMPHYSEMA PATIENTS UPON SHORT EXPOSURES TO SIMULATED ALTITUDE OF 18,000 FEET.
mesh_terms: D000531:Altitude; D004646:Emphysema; D006801:Humans; D008168:Lung; D011656:Pulmonary Emphysema; D012119:Respiration; D013990:Tidal Volume
keywords: ALTITUDE; PULMONARY EMPHYSEMA; RESPIRATION