title: [A comparison of the original method and an air bolus-oxygen method in a single breath nitrogen inhalation].
mesh_terms: D000328:Adult; D003011:Closing Volume / Q000379:methods*; D005260:Female; D006801:Humans; D008176:Lung Volume Measurements / Q000379:methods*; D008297:Male; D009584:Nitrogen
chemical_list: D009584:Nitrogen