Comparison of POSSUM and P-POSSUM as Audit Tools in Patients Undergoing Emergency Laparotomy for Secondary Bacterial Peritonitis. Global Journal of Medical Research, [S. l.], v. 13, n. I3, p. 7–11, 2013. Disponível em: https://medicalresearchjournal.org/index.php/GJMR/article/view/397. Acesso em: 1 feb. 2026.