SINGH, K. S. K.; SHARMA, V. K.; SHOUCHE, S.; SASIDHARAN, S.; DHILLON, G. K. A comparison of high thoracic epidural anaesthesia versus conventional intravenous opioids in pediatric patients undergoing corrective open heart surgery for ventricular septal defect. International Journal of Advances in Medicine, [S. l.], v. 8, n. 8, p. 1142–1153, 2021. DOI: 10.18203/2349-3933.ijam20212858. Disponível em: https://www.ijmedicine.com/index.php/ijam/article/view/3017. Acesso em: 28 dec. 2025.