Cite
MLA Citation
Antonio Piralla et al.. “Residual SARS-CoV-2 RNA in nasal swabs of convalescent COVID-19 patients: Is prolonged quarantine always justified?.” International journal of infectious diseases, vol. 102, 2021, pp. 299–302. http://access.bl.uk/ark:/81055/vdc_100117937592.0x000025