Rungprakayphan, Jidapa, and Jadsada Athigakunagorn. 2021. “The Prevalence and Risk Factors of Gastrointestinal Anastomosis Leakage: A Retrospective Study”. Royal Thai Air Force Medical Gazette 67 (1). https://he02.tci-thaijo.org/index.php/rtafmg/article/view/252438.