Clinical factors affecting short- and long-term mortality in older patients with COVID-19: a retrospective cohort study. Italian Journal of Medicine, [S. l.], v. 18, n. 1, 2024. DOI: 10.4081/itjm.2024.1707. Disponível em: https://www.italjmed.org/ijm/article/view/1707. Acesso em: 22 may. 2025.