Yaroshenko R, Panasenko S, Chorna I, Khorosh M, Ligonenko O. Epidemiology of gastrointestinal bleedings compared in Ukraine and in the Poltava region. Med. perspekt. [Internet]. 2023Sep.29 [cited 2024Jul.17];28(3):198-204. Available from: https://journals.uran.ua/index.php/2307-0404/article/view/289227