Association between blood urea nitrogen-to-creatinine ratio and all-cause mortality in critically ill patients with sepsis: an analysis based on the MIMIC-IV database: Bun/creatinine ratio and mortality in sepsis. Indian Journal of Experimental Biology (IJEB), [S. l.], v. 64, n. 08, p. 727–739, 2026. DOI: 10.56042/ijeb.v64i08.27481. Disponível em: https://or.niscpr.res.in/index.php/IJEB/article/view/27481. Acesso em: 23 jul. 2026.