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. 2016 Jul 28;11:1713–1719. doi: 10.2147/COPD.S110089

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© 2016 Zhang et al. This work is published and licensed by Dove Medical Press Limited

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Correlation of regional ALFF with cognitive ability in patients with COPD and controls.

Abbreviations: ALFF, amplitude of low-frequency fluctuation; COPD, chronic obstructive pulmonary disease; PCC, posterior cingulate cortex.