title: Sensitivity of variables derived from the single breath nitrogen test in smokers.
mesh_terms: D000328:Adult; D001944:Breath Tests; D003011:Closing Volume; D005260:Female; D005541:Forced Expiratory Volume; D006801:Humans; D008297:Male; D008450:Maximal Midexpiratory Flow Rate; D008875:Middle Aged; D009584:Nitrogen; D012907:Smoking / Q000503:physiopathology*; D014797:Vital Capacity
chemical_list: D009584:Nitrogen