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. 2015 Nov 5;25:15063. doi: 10.1038/npjpcrm.2015.63

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Copyright © 2015 Primary Care Respiratory Society UK/Macmillan Publishers Limited

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The relationship between the CAT score and mMRC scale for the study COPD population. Data were presented as mean±2 s.d. P=0.000 for the one-way ANOVA of the association between the CAT score and mMRC scale.