Liesnyi , V.V., V.O. Filonenko, and A.S. Liesna. “Peculiarities of Diagnostics of Atypical Course of Perforated Duodenal Ulcer (clinical Case)”. Medicni perspektivi 27, no. 2 (June 28, 2022): 184–188. Accessed December 19, 2024. https://journals.uran.ua/index.php/2307-0404/article/view/260411.