Comparison of mortality between early and late tracheostomy in patients hospitalized by COVID-19 in an intensive care unit. Research, Society and Development, [S. l.], v. 12, n. 1, p. e15612139679, 2023. DOI: 10.33448/rsd-v12i1.39679. Disponível em: https://ojs34.rsdjournal.org/index.php/rsd/article/view/39679. Acesso em: 28 jun. 2025.