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The cutoff point of clinical chronic obstructive pulmonary disease questionnaire for more symptomatic patients
BACKGROUND: An adequate threshold for the Clinical Chronic Obstructive Pulmonary Disease (COPD) Questionnaire (CCQ) defining more symptomatic COPD patients has not been determined. We aimed to determine the efficacy of the CCQ and the appropriate CCQ threshold for more symptomatic COPD patients. MET...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2018
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5828492/ https://www.ncbi.nlm.nih.gov/pubmed/29482616 http://dx.doi.org/10.1186/s12890-018-0601-0 |