Naim, Md. Nazmul Huda, Fatema khatun, Md. Fahad, Ahsan Habib Khan, Nahin Mahmud, Md Mostafa Kamal, Mohammad Shafiqul Islam, and Debabrata Banik. “Thoracic Segmental Spinal Anaesthesia for Laparoscopic Cholecystectomy: A Quasi- Experimental Study”. Bangladesh Journal of Pain 5, no. 2 (December 31, 2025): 47–57. Accessed June 26, 2026. https://bjpain.org/index.php/bjpain/article/view/167.