Cliff, I J Comparison of two new methods for the measurement of lung volumes with two standard methods. [electronic resource] - Thorax Apr 1999 - 329-33 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0040-6376 Standard No.: 10.1136/thx.54.4.329 doi Subjects--Topical Terms: AdultAirway Obstruction--pathologyFemaleForced Expiratory VolumeHeliumHumansLung--anatomy & histologyLung Volume MeasurementsMaleMiddle AgedModels, BiologicalNitrogen--metabolismPlethysmographySensitivity and SpecificityVital Capacity