Association of the severity of acute kidney injury and mortality in patients 65 years old or ever admitted to a medical clinic ward. Research, Society and Development, [S. l.], v. 14, n. 5, p. e4714548777, 2025. DOI: 10.33448/rsd-v14i5.48777. Disponível em: https://rsdjournal.org/rsd/article/view/48777. Acesso em: 5 dec. 2025.