Subong, N.U. et al. 2020. Risk Factors Associated with in Hospital Complication Post Gastrointestinal, Pancreatic, Hepatic Cancer Surgery: A Retrospective Case Control Study (RAPHA Study). The Indonesian Journal of Gastroenterology, Hepatology, and Digestive Endoscopy. 19, 3 (July 2020), 141–147. DOI:https://doi.org/10.24871/1932018141-147.