Nansenova, V., Ts. Georgiev, E. Rangelov, I. Vasilevski, V. Strahinova, E. Kostova, G. Garvanska, et al. , trans. 2026. “A Rare Case of Intramural Duodenal Duplication in a 9-Year-Old Boy”. Bulgarian Medical Journal 20 (1): 61-64. https://journals.mu-sofia.bg/index.php/bmj/article/view/803.