title: FACTORS INFLUENCING THE CONCENTRATION OF EXPIRED NITROGEN AFTER A BREATH OF OXYGEN.
mesh_terms: D000293:Adolescent; D045853:Exhalation; D006801:Humans; D009584:Nitrogen; D010100:Oxygen; D010827:Physiology; D012119:Respiration; D012129:Respiratory Function Tests
chemical_list: D009584:Nitrogen; D010100:Oxygen
keywords: ADOLESCENCE; NITROGEN; PHYSIOLOGY; RESPIRATION; RESPIRATORY FUNCTION TESTS