Pattanapon, Nakrob, Ratikorn Bootcha, and Soontaree Petchdee. “The Effects of Anesthetic Drug Choice on Heart Rate Variability in Dogs”. Journal of Advanced Veterinary and Animal Research 5, no. 4 (December 29, 2018): 485-489. Accessed May 25, 2019. https://www.banglajol.info/index.php/JAVAR/article/view/39516.