Boonmak, P., Boonmak, S., Hoontanee, N. and Pothiruk, K. (2013) “A Study of Retained Endotracheal Tube After Neurosurgical Anesthesia: Incidence and Associated Factors”, Srinagarind Medical Journal, 24(4), pp. 321–325. available at: https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/13041 (accessed: 14 October 2026).