title: Predicted values for closing volumes using a modified single breath nitrogen test.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000402:Airway Obstruction / Q000175:diagnosis*; D001824:Body Constitution; D005260:Female; D006801:Humans; D008170:Lung Compliance; D008173:Lung Diseases, Obstructive / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D009584:Nitrogen; D012129:Respiratory Function Tests; D012907:Smoking; D013147:Spirometry
chemical_list: D009584:Nitrogen