Jha, M. K., Sibakoti, Y. C., & Devkota, H. (2017). Evaluation of P- POSSUM Scoring System in Patients Undergoing Emergency Laparotomy. Medical Journal of Shree Birendra Hospital, 16(2), 28–36. Retrieved from https://nepjol.info/index.php/MJSBH/article/view/17714