title: The effect of breath holding on anatomical dead space in man.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D008168:Lung / Q000502:physiology*; D008297:Male; D008954:Models, Biological; D009584:Nitrogen; D010101:Oxygen Consumption; D012119:Respiration / Q000502:physiology*; D013147:Spirometry
chemical_list: D009584:Nitrogen