Sombood, P., P. Vichitvejpaisal, K. . Sripunjun, and K. . Chongwilaiwan. “Geriatric Patient Matter in Anesthesia”. The Journal of Chulabhorn Royal Academy, vol. 6, no. 1, Jan. 2024, pp. 32-38, https://he02.tci-thaijo.org/index.php/jcra/article/view/260161.