title: The design of modern instrumentation for the measurement of gas expired from the lung.
mesh_terms: D006801:Humans; D008168:Lung / Q000502:physiology*; D008170:Lung Compliance; D008433:Mathematics; D008954:Models, Biological; D012129:Respiratory Function Tests / Q000295:instrumentation*; D013147:Spirometry; D014797:Vital Capacity