Wirachpisit, Nichawan, Chidchanok Choovongkomol, Rojnarin Komonhirun, Pensiri Poomhirun, and Wichai Ittichaikulthol. “Incidence, Risk Factors, and Complications Associated With In-Hospital Mortality in Emergency Surgery at Ramathibodi Hospital: A Retrospective Study”. Research Medical Journal 41, no. 2 (June 21, 2018): 67–77. accessed September 19, 2026. https://he02.tci-thaijo.org/index.php/ramajournal/article/view/104960.