Lalisang, Toar JM, Yarman Mazni, Yefta Moenadjad, and Sahat Matondang. 2020. “Characteristics of Pancreaticoduodenal Resection on Periampullary Tumor Cases by Jakarta Tertiary Hospital Team: Three Decade Report”. The Indonesian Journal of Gastroenterology, Hepatology, and Digestive Endoscopy 20 (2):66-72. https://doi.org/10.24871/202201966-72.