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2. Department of HealthA Strategic Approach to Prevention and Early Identification of COPD20112016-12-23http://www.respiratoryresources.org.uk/COPD.html
3. The role of occupation in the development of chronic obstructive pulmonary disease (COPD)
4. British Lung FoundationInvisible Lives: Chronic Obstructive Pulmonary Disease (COPD) - Finding the Missing Millions20072016-12-23http://spirohub.com/wp-content/uploads/2016/01/BLF-Invisible-Lives-report.pdf
5. Chronic Obstructive Pulmonary Disease Readmissions at Minority-serving Institutions