Zakaria, Hazem M., Anwar Mohamed, Ayman Alsebaey, Hazem Omar, Dina ELazab, and Nahla K. Gaballa. “Prognostic Factors Following Pancreaticoduodenectomy for Pancreatic Ductal Adenocarcinoma”. International Surgery Journal 5, no. 12 (November 28, 2018): 3877–3882. Accessed November 7, 2025. https://www.ijsurgery.com/index.php/isj/article/view/3133.