Bahadir Arikan T, Mutevelli Sozuer E, Topal U, Dal F, Kubra Bozkurt G. Evaluation of factors related to postoperative mortality in patients who underwent pancreatoduodenectomy due to periampullary region tumors . Ann Med Res . 2021;27(12):3065-3070. Accessed August 25, 2026. http://www.annalsmedres.org/index.php/aomr/article/view/3625