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APA Citation
Titova, E., Christensen, A., Henriksen, A. H., Steinshamn, S., & Åsberg, A. (2019). comparison of procalcitonin, C-reactive protein, white blood cell count and clinical status in diagnosing pneumonia in patients hospitalized with acute exacerbations of COPD: A prospective observational study. Chronic respiratory disease, 16, . http://access.bl.uk/ark:/81055/vdc_100099926340.0x00000c