Acute kidney injury in critically ill patients: a comparison between the RIFLE, AKIN, CK, and KDIGO classifications. Tunisian Journal of Emergency Medicine, [S. l.], v. 4, n. 1, 2026. DOI: 10.66759/hs5svs93. Disponível em: https://tjem.tn/index.php/tjem/article/view/103. Acesso em: 13 may. 2026.