title: Relationship between elastic recoil and closing volume in smokers and nonsmokers.
mesh_terms: D000293:Adolescent; D000328:Adult; D000402:Airway Obstruction / Q000209:etiology; D005260:Female; D006801:Humans; D008170:Lung Compliance; D008297:Male; D008875:Middle Aged; D009584:Nitrogen; D012119:Respiration; D012129:Respiratory Function Tests; D012907:Smoking / Q000150:complications / Q000503:physiopathology*
chemical_list: D009584:Nitrogen