GUERERO-TOAPANTA, Fausto et al. Risk factors associated with mortality in critically ill patients with SARS-CoV-2 pneumonia in a tertiary hospital in Ecuador. BioNatura Journal: Ibero-American Journal of Biotechnology and Life Sciences, [S. l.], v. 3, n. 1, 2026. DOI: 10.70099/BJ/2026.03.01.11. Disponível em: https://bionaturajournal.com/repositorio/index.php/bionatura/article/view/222. Acesso em: 4 may. 2026.