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APA Citation
Vikjord, S. A. A., Brumpton, B. M., Mai, X., Vanfleteren, L., & Langhammer, A. (2020). the association of anxiety and depression with mortality in a COPD cohort. The HUNT study, Norway. Respiratory medicine, 171, . http://access.bl.uk/ark:/81055/vdc_100107847250.0x000022