SINGH, R.; MADAN, H. K.; TAYADE, S. H. A prospective study of prediction of outcomes in perforative peritonitis using apache II scoring system. International Surgery Journal, [S. l.], v. 4, n. 8, p. 2648–2652, 2017. DOI: 10.18203/2349-2902.isj20173404. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/1756. Acesso em: 20 feb. 2026.