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COPD Foundation guide to assessment of COPD severity

COPD Foundation guide to assessment of COPD severity
COPD: chronic obstructive pulmonary disease; FEV1: forced expiratory volume in one second; FVC: forced vital capacity; SG: spirometry grade; PaO2: arterial tension of oxygen; CT: computed tomography.
Reprinted with permission from the COPD Foundation. Slight modifications were made. (Thomashow B, Crapo J, Yawn B, et al. The COPD Foundation Pocket Consultant Guide. Chronic Obstructive Pulmonary Diseases: Journal of the COPD Foundation. 2014; 1(1): 83-87). Copyright © 2014 Informa Plc.
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