AZIZ, N.; AMIN, B.; KHAN, T. A.; NOWSHERAWAN; ZAIB, J.; SHEIKH, M. U. Impact of Comorbid Disease Risk Factors on Mortality Rates in COVID-19 Patients: A Retrospective Analysis. Pakistan Journal of Chest Medicine, [S. l.], v. 29, n. 3, p. 376–381, 2024. Disponível em: https://www.pjcm.net/index.php/pjcm/article/view/925. Acesso em: 29 oct. 2025.