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Comparison of spirometry criteria for the diagnosis of COPD: results from the BOLD study

W M Vollmer1, Thorn Gíslason, P Burney

  • 1Kaiser Permanente, Center for Health Research, Portland, OR 97227-1110, USA. william.vollmer@kpchr.org

The European Respiratory Journal
|May 23, 2009
PubMed

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