Chinachoti, Thitima. “Predicted Factors of Prolonged Postoperative ICU Admission More Than Four Days: Thai Tertiary University Hospital”. Siriraj Medical Journal 68, no. 5 (October 20, 2016): 277–283. Accessed April 27, 2024. https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/69327.