Simultaneous quasi-static lung pressure-volume curves and "closing volume" measurements.
D000328:Adult; D006801:Humans; D008170:Lung Compliance; D008688:Methacholine Compounds / Q000494:pharmacology; D008875:Middle Aged; D008954:Models, Biological; D009584:Nitrogen; D010100:Oxygen; D011312:Pressure; D012119:Respiration; D012129:Respiratory Function Tests; D012907:Smoking; D013147:Spirometry; D014797:Vital Capacity
D008688:Methacholine Compounds; D009584:Nitrogen; D010100:Oxygen