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APA Citation
Cleutjens, F. A. H. M., Spruit, M. A., Ponds, R. W. H. M., Vanfleteren, L. E. G. W., Franssen, F. M. E., Gijsen, C., Dijkstra, J. B., Wouters, E. F. M., & Janssen, D. J. A. (2018). cognitive impairment and clinical characteristics in patients with chronic obstructive pulmonary disease. Chronic respiratory disease, 15, 91–102. http://access.bl.uk/ark:/81055/vdc_100071429912.0x000006