Maharjan, P., S. V. Bharti, D. B. Khadka, A. Karki, and A. Gnyawali. “Isolated Perforation of Fourth Part of Duodenum Following Blunt Abdominal Trauma”. Journal of Nepalgunj Medical College, vol. 19, no. 1, Jan. 2022, pp. 106-8, doi:10.3126/jngmc.v19i1.40442.