D. Gülcü Taşkın, F. Beser, İbrahim Adaletli, F. Cullu, T. Kutlu, and T. Erkan, “Choledochoduodenal fistula: A rare cause of upper gastrointestinal bleeding in a child”, J Surg Med, vol. 6, no. 3, pp. 399–401, Mar. 2022.