Limprasutr, V., N. Saengklub, S. Sawangkoon, C. Buranakarl, N. Chaiyabutr, and A. Kijtawornrat. “Relationship between RR and QT Intervals in Normal and Pacing-induced Heart Failure Dogs”. The Thai Journal of Veterinary Medicine, vol. 44, no. 1, Mar. 2014, pp. 31-39, https://he01.tci-thaijo.org/index.php/tjvm/article/view/17312.