Begum, S. A., A. A. Saibal, K. Das, S. Dey, A. U. Ahmed, A. Mohiuddin, and M. Kabir. “Thickening of Gallbladder Wall in Chronic Liver Disease - A Marker for Esophageal Varices”. Ibrahim Medical College Journal, vol. 6, no. 1, Apr. 2013, pp. 18-20, doi:10.3329/imcj.v6i1.14713.