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, [S. l.], v. 11, n. 3, p. e5383, 2020. DOI: 10.7439/ijbar.v11i3.5383. Disponível em: https://ssjournals.co.in/index.php/ijbar/article/view/5383. Acesso em: 12 mar. 2025.