Regular ArticleNot 15 But 50% of smokers develop COPD?—Report from the Obstructive Lung Disease in Northern Sweden Studies
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Keywords
COPD
prevalence
risk factors
smoking
epidemiology.
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Correspondence should be addressed to: Bo Lundbäck, MD, PhD, Associate Professor, Lung and Allergy Research, National Institute of Environmental Medicine, Karolinska Institutet, SE 171 77 Stockholm, Sweden. Fax: +46-8-303390; E-mail: [email protected]
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