Zavhorodnii SM, Kapshytar OV, Kotenko OI, Kapshytar OO, Danyliuk MB. The results of endoscopic and surgical methods of hemostasis in persons of elderly and senile age with acute gastrointestinal bleeding caused by an ulcer. Zaporozhye Medical Journal [Internet]. 2022Aug.1 [cited 2024May1];24(4):402-7. Available from: http://zmj.zsmu.edu.ua/article/view/245872