Sangwan, M. kumar, Sangwan, V., Garg, M. kumar, Singla, D., Thami, G. and Malik, P. (2016) “Gallstone disease menacing rural population in north India: a retrospective study of 576 cases in a rural hospital”, International Surgery Journal, 2(4), pp. 487–491. doi: 10.18203/2349-2902.isj20150916.