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Differences in classification of COPD patients into risk groups A-D: a cross-sectional study
BACKGROUND: The Global Initiative for Chronic Obstructive Lung Disease proposed in 2011 a new system to classify chronic obstructive pulmonary disease (COPD) patients into risk groups A-D, which considers symptoms and future exacerbation risk to grade disease severity. The aim of this study was to i...
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Main Authors: | , , , , , |
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Formato: | Artigo |
Idioma: | Inglês |
Publicado em: |
BioMed Central
2014
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Assuntos: | |
Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4148947/ https://ncbi.nlm.nih.gov/pubmed/25148698 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/1756-0500-7-562 |
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