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APA Citation
Kaspersen, K. A., Greve, T., Nielsen, K. J., Jespersen, S., Mikkelsen, S., Vestergaard, J. M., Redder, J. D., Tolstrup, M., Thomsen, M. K., Møller, H. J., Østergaard, L., Kolstad, H. A., & Erikstrup, C. (2021). symptoms reported by SARS-CoV-2 seropositive and seronegative healthcare and administrative employees in Denmark from May to August 2020. International journal of infectious diseases, 109, 17–23. http://access.bl.uk/ark:/81055/vdc_100139920485.0x000005