Mergo, P J Three-dimensional volumetric assessment of abnormally low attenuation of the lung from routine helical CT: inspiratory and expiratory quantification. [electronic resource] - AJR. American journal of roentgenology May 1998 - 1355-60 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0361-803X Standard No.: 10.2214/ajr.170.5.9574615 doi Subjects--Topical Terms: AdolescentAdultAgedAged, 80 and overFemaleForced Expiratory Volume--physiologyForecastingFunctional Residual Capacity--physiologyHumansImage Processing, Computer-Assisted--methodsInhalation--physiologyLinear ModelsLung--diagnostic imagingLung Diseases--diagnostic imagingLung Diseases, Obstructive--diagnostic imagingMaleMiddle AgedPulmonary Emphysema--diagnostic imagingPulmonary Ventilation--physiologyResidual Volume--physiologyRespiratory Function TestsRetrospective StudiesTomography, X-Ray Computed--methodsTotal Lung Capacity--physiologyVital Capacity--physiology