Ullah, K., Z. U. Jan, A. Shuaib, H. .- un-. Nabi, and M. I. Khan. “Frequency and Reasons of Conversion of Laproscopic Cholecystechtomy to Open Cholecystectomy”. Journal of Saidu Medical College, vol. 9, no. 1, June 2019, doi:10.52206/jsmc.2019.9.1.%p.