title: Age and smoking dependency of the single-breath oxygen test in healthy subjects.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D005260:Female; D006801:Humans; D008168:Lung / Q000378:metabolism / Q000502:physiology*; D008297:Male; D008875:Middle Aged; D009584:Nitrogen / Q000378:metabolism*; D010100:Oxygen; D011650:Pulmonary Alveoli / Q000502:physiology; D012119:Respiration; D012129:Respiratory Function Tests; D012737:Sex Factors; D012907:Smoking
chemical_list: D009584:Nitrogen; D010100:Oxygen