title: Equality of inspired and expired N2 in man.
mesh_terms: D000293:Adolescent; D000328:Adult; D002245:Carbon Dioxide; D002648:Child; D004044:Dietary Proteins; D004734:Energy Metabolism; D005260:Female; D006801:Humans; D008297:Male; D009584:Nitrogen / Q000378:metabolism*; D010101:Oxygen Consumption; D005082:Physical Exertion; D012119:Respiration; D013147:Spirometry
chemical_list: D004044:Dietary Proteins; D002245:Carbon Dioxide; D009584:Nitrogen