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APA Citation
Valdivia, A., Torres, I., Huntley, D., Alcaraz, M. J., Albert, E., González, C., Colomina, J., & Navarro, D. (2021). diagnostic significance of SARS-CoV-2 IgM positive/IgG negative antibody profile in symptomatic patients with suspected COVID-19 testing negative by RT-PCR. Journal of infection, 82(1), e15–e16. http://access.bl.uk/ark:/81055/vdc_100127347374.0x000048