Leal, C., Pinheiro, P., Ribeiro, J., Dupont, M., Marques, C., Vieira, B. and Pinto-de-Sousa, J. 2026. Gunshot-induced retroperitoneal trauma with complex duodenal injury: a case report. International Surgery Journal. 13, 3 (Feb. 2026), 405–408. DOI:https://doi.org/10.18203/2349-2902.isj20260465.