Suttidate, P. “Incidence and factors associated with postoperative intensive care unit admission in Thungsong Hospital, Nakhon Si Thammarat Province”. Region 11 Medical Journal, vol. 39, no. 3, Oct. 2025, pp. 164-78, https://he02.tci-thaijo.org/index.php/Reg11MedJ/article/view/277082.