Tendean, Michael, Ferdinand Tjandra, Billy Salem, Jimmy Panelewen, and Heryawan Chandra. “Whipple Procedure, Single Center Experience”. e-CliniC 13, no. 2 (April 24, 2025): 288–294. Accessed December 28, 2025. https://ejournal.unsrat.ac.id/v3/index.php/eclinic/article/view/61263.