Thanasriphakdeekul, Sasithorn, Aksorn Pulnitiporn, Bawornrut Sutanthavibul, and Phantip Ninsawang. “Preoperative Transthoracic Echocardiography Findings in Patients Undergoing Non-Cardiac Surgery in a Tertiary Care Hospital: a Retrospective Study”. Thai Journal of Anesthesiology 49, no. 4 (July 1, 2023): 251–258. accessed September 20, 2026. https://he02.tci-thaijo.org/index.php/anesthai/article/view/263959.