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The effects of depression, anxiety and sleep disturbances on cognitive impairment in patients with chronic obstructive pulmonary disease

Crossref DOI link: https://doi.org/10.1007/s11571-017-9449-x

Published Online: 2017-08-05

Published Print: 2017-12

Update policy: https://doi.org/10.1007/springer_crossmark_policy

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