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Editor's Correspondence
August 9/23, 2010

Trends in Population Burden of COPD: Actual Facts or Fallacies?

Author Affiliations

Copyright 2010 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.2010

Arch Intern Med. 2010;170(15):1408-1410. doi:10.1001/archinternmed.2010.259

With great interest we read the contribution by Gershon and colleagues1 about chronic obstructive pulmonary disease (COPD)-related prevalence, incidence, and mortality in Canada. Their study is another example of how administrative databases can be powerful sources of research data. Nonetheless, after studying the article we felt that we should make some comments.

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