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1: BMJ. 2006 May 13;332(7550):1142-4.Click here to read Click here to read Links

ABC of chronic obstructive pulmonary disease. Definition, epidemiology, and risk factors.

Department of Environmental and Occupational Medicine, University of Aberdeen, Aberdeen.

PMID: 16690673 [PubMed - indexed for MEDLINE]

PMCID: PMC1459603