I. Zulfikar, A. Ashkar, S. Irfan, F. Z. Siddiqui, and A. Baig, “Clinical audit: reviewing management of gallbladder and common bile duct stones at a public sector tertiary care hospital in Karachi, Pakistan”, J Pak Med Assoc, vol. 76, no. 04, pp. 567–570, Mar. 2026.