“American Society of Anaesthesiologists Score (ASA) to Predict the Morbidity and Mortality of Patients After Emergency Laparotomy: A Prospective Analysis”. International Journal of Biomedical and Advance Research 11, no. 3 (March 31, 2020): e5383. Accessed May 3, 2026. https://www.ssjournals.co.in/index.php/ijbar/article/view/5383.