Ullah, Mahmud Ekram, Md Mushfiqur Rahman, Rajibul Haque Talukder, Refat Uddin Tareq, and Md Noor A Alam. 2019. “Safety and Feasibility of Subarachnoid Block in Laparoscopic Cholecystectomy”. IMC Journal of Medical Science 13 (1):006. https://www.banglajol.info/index.php/IMCJMS/article/view/42039.