Thirunavukkarasu S, Subramanian AM. Efficacy of the P-POSSUM scoring system in prediction of post-operative mortality and morbidity in patients undergoing emergency laparotomy in a tertiary institute. Int Surg J [Internet]. 2018 Jun. 25 [cited 2026 Feb. 20];5(7):2523-7. Available from: https://www.ijsurgery.com/index.php/isj/article/view/2997