Luansritisakul, C., and S. Tangwiwat. “Epidural Anesthesia in a Pediatric Patient with Unrecognized Hemophilia A”. Thai Journal of Anesthesiology, vol. 42, no. 2, June 2016, pp. 133-8, https://he02.tci-thaijo.org/index.php/anesthai/article/view/61105.