Hossain, SM, and Ferdous Rahman. “Pylorus-Preserving Pancreaticoduodenectomy: Evaluation of 50 Cases”. Journal of Armed Forces Medical College, Bangladesh 13, no. 1 (April 21, 2017): 42-45. Accessed December 5, 2020. https://www.banglajol.info/index.php/JAFMC/article/view/41022.