Validation of the APACHE‐II scoring system in critically ill patients diagnosed with COVID‐19 and admitted at a regional‐level hospital intensive care unit: A retrospective study: A retrospective study. Southern African Journal of Critical Care, [S. l.], v. 41, n. 2, p. e1522, 2025. DOI: 10.7196/SAJCC.2025.v412.1522. Disponível em: https://samajournals.co.za/index.php/sajcc/article/view/1522. Acesso em: 2 may. 2026.