GUPTA, A.; SACHAN, P. K.; AGRAWAL, S. Predicting the outcome of perforation peritonitis by using apache II scoring system. International Surgery Journal, [S. l.], v. 5, n. 2, p. 402–406, 2018. DOI: 10.18203/2349-2902.isj20180020. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/2363. Acesso em: 1 feb. 2026.