Yamaguchi, K [Indices allowing early detection of chronic pulmonary emphysema]. [electronic resource] - Nihon Kyobu Shikkan Gakkai zasshi Dec 1996 - 59-62 p. digital Publication Type: Journal Article ISSN: 0301-1542 Subjects--Topical Terms: Chronic DiseaseCross-Sectional StudiesFemaleForced Expiratory VolumeHumansLongitudinal StudiesMaleMiddle AgedPulmonary Emphysema--diagnostic imagingRadiographic Image EnhancementSmoking--adverse effectsTomography, X-Ray Computed