title: Functional residual capacity in patients with pulmonary emphysema. A comparative study using gas dilution and plethysmographic techniques for measurement.
mesh_terms: D000368:Aged; D005652:Functional Residual Capacity; D006371:Helium; D006801:Humans; D008168:Lung; D009584:Nitrogen; D010991:Plethysmography; D011656:Pulmonary Emphysema / Q000502:physiology*; D012119:Respiration / Q000502:physiology*
chemical_list: D006371:Helium; D009584:Nitrogen
keywords: HELIUM; NITROGEN; PLETHYSMOGRAPHY; PULMONARY EMPHYSEMA/physiology; RESPIRATION/physiology