SUNIL GURJAR; SURAJ JAIN; ABHISHEK KANSAL; ADVAIT PRAKASH. Study of POSSUM Score for Risk Assessment in Patients of Perforation Peritonitis at a Tertiary Care teaching hospital. International Journal of Health and Clinical Research, [S. l.], v. 4, n. 9, p. 99–105, 2021. Disponível em: https://www.ijhcr.com/index.php/ijhcr/article/view/1506. Acesso em: 6 may. 2026.