THIRUNAVUKKARASU, S.; SUBRAMANIAN, A. M. Efficacy of the P-POSSUM scoring system in prediction of post-operative mortality and morbidity in patients undergoing emergency laparotomy in a tertiary institute. International Surgery Journal, [S. l.], v. 5, n. 7, p. 2523–2527, 2018. DOI: 10.18203/2349-2902.isj20182766. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/2997. Acesso em: 20 feb. 2026.