Hossain, M. M. ., J. . Rahman, and T. Khandaker. “Comparative Study of Ultrasonographic Findings With the Operative Findings of Biliary Surgery - A Study of 100 Cases”. Ibrahim Cardiac Medical Journal, vol. 12, no. 1, Nov. 2023, pp. 52-57, doi:10.3329/icmj.v12i1.69796.