Ahmad, Zubayer, Mohammad Ali, Kazi lsrat Jahan, ABM Khurshid Alam, and G M Morshed. “Comparative Study of Ultrasonographic Findings With the Operative Findings of Biliary Surgery”. Journal of Surgical Sciences 22, no. 1 (March 22, 2020): 25–29. Accessed August 16, 2024. https://banglajol.info/index.php/JSS/article/view/44011.