Wattananit, S., and M. Kalpravidh. “AN ASSESSMENT OF EPIDURAL KETAMINE FOR HINDLIMB ANESTHESIA IN DOGS”. The Thai Journal of Veterinary Medicine, vol. 35, no. 4, July 2015, pp. 53-64, https://he01.tci-thaijo.org/index.php/tjvm/article/view/36748.