1. Projections of Global Mortality and Burden of Disease from 2002 to 2030
2. The Impact of COPD on Lung Health Worldwide
3. Canadian Institute of Health InformationHealth Indicators 200820082016-04-01Ottawa, ONCanadian Institute of Health Informationhttps://secure.cihi.ca/free_products/HealthIndicators2008_ENGweb.pdf
4. The cost of moderate and severe COPD exacerbations to the Canadian healthcare system