Ion torrent-based nasopharyngeal swab metatranscriptomics in COVID-19. SciELO Preprints, 2020. DOI: 10.1590/SciELOPreprints.239. Disponível em: https://preprints.scielo.org/index.php/scielo/preprint/view/239. Acesso em: 18 nov. 2025.