WOLF, Jonas Michel; PETEK, Helena; GASPARETTO MACCARI, Juçara; NASI, Luiz Antonio. Hospital mortality rates between 2015 and 2022: a comparison between the pre-pandemic and pandemic period shows that COVID-19 is a critical health problem. Clinical and Biomedical Research, [S. l.], v. 43, n. 1, 2023. DOI: 10.22491/2357-9730.125084. Disponível em: https://seer.ufrgs.br/index.php/hcpa/article/view/125084. Acesso em: 30 ago. 2026.