title: Effects of sudden exposure to high altitude on pulmonary functions.
mesh_terms: D000222:Adaptation, Physiological; D000328:Adult; D000531:Altitude; D000532:Altitude Sickness / Q000503:physiopathology; D006801:Humans; D008168:Lung / Q000503:physiopathology*; D008176:Lung Volume Measurements; D008297:Male; D012123:Pulmonary Ventilation