Bajracharya, Nitendra Raj, et al. “Thoracic Segmental Spinal Anesthesia for Laparoscopic Cholecystectomy: A Case Report”. Journal of Institute of Medicine Nepal, vol. 46, no. 1, Apr. 2024, pp. 79-82, https://nepjol.info/index.php/JIOM/article/view/79585.