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Chicago-viite (17. p.)Lu, J., et al. Clinical, Immunological and Virological Characterization of COVID-19 Patients That Test Re-positive for SARS-CoV-2 by RT-PCR. Elsevier, 2020.
MLA-viite (9. p.)Lu, J., et al. Clinical, Immunological and Virological Characterization of COVID-19 Patients That Test Re-positive for SARS-CoV-2 by RT-PCR. Elsevier, 2020.
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