title: Measurement of closing volume with the single breath nitrogen method.
mesh_terms: D000328:Adult; D001944:Breath Tests / Q000295:instrumentation; D006801:Humans; D008176:Lung Volume Measurements / Q000295:instrumentation / Q000379:methods*; D009584:Nitrogen; D010313:Partial Pressure; D010993:Plethysmography, Whole Body; D011650:Pulmonary Alveoli / Q000502:physiology; D012119:Respiration; D012126:Respiratory Dead Space; D012907:Smoking; D013147:Spirometry / Q000295:instrumentation / Q000379:methods*; D014797:Vital Capacity
chemical_list: D009584:Nitrogen