Pradhan, T. D. K. ., S. K. . Agrawal, and V. . Rewale. “A Prospective Randomized Study of Laparoscopic Cholecystectomy Performed Under Spinal Anesthesia”. Journal of Biomedical and Pharmaceutical Research, vol. 10, no. 2, Mar. 2021, https://jbpr.in/index.php/jbpr/article/view/1072.