Pulsawat, Pichanun, and Setthaporn Junhavitthaya. “Parental Anxiety Before Elective Surgery in Pediatric Patients at King Chulalongkorn Memorial Hospital”. Thai Journal of Anesthesiology 51, no. 3 (May 2, 2025): 149–156. accessed September 20, 2026. https://he02.tci-thaijo.org/index.php/anesthai/article/view/275221.