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Date: 2014-01-30 17:13:31Health Smoking Respiratory therapy Chronic obstructive pulmonary disease Learn More Breathe Better Obstructive lung disease Respiratory disease Air pollution Chronic Pulmonology Medicine Chronic lower respiratory diseases | Chronic Obstructive Pulmonary Disease COPD among AdultsAdd to Reading ListSource URL: www.cdc.govDownload Document from Source WebsiteFile Size: 546,78 KBShare Document on Facebook |