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data-id="" >ATS Journalshttps://www.atsjournals.org/doi/suppl/10.1164/rccm...[PDF]An Updated Definition and Severity Classification of COPD网页2021年11月28日 · 10–20 years 2 Country United States 4 Spain 3 Italy 3 United Kingdom 2 Canada 2 France 1 Germany 1 The Netherlands 1 E3. COPD Exacerbations – The Rome Proposal (supplement) 26 Oct 2021 Detailed description of the modified Delphi method Background The Delphi method aims to reach consensus among a group of experts in …
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