LIU, Bin et al. Association between Paxlovid and mortality in severe COVID-19 patients: a retrospective cohort study. The Journal of Infection in Developing Countries, [S. l.], v. 20, n. 06, p. 896–903, 2026. DOI: 10.3855/jidc.21811. Disponível em: https://jidc.org/index.php/journal/article/view/21811. Acesso em: 12 jul. 2026.