Buranakarl, Chollada, Suwanakiet Sawangkoon, Chutamas Benjanirut, Monkon Trisiriroj, and Thanusorn Phakhawambodee. 2013. “ECG Quiz”. The Thai Journal of Veterinary Medicine 43 (1):149-52. https://he01.tci-thaijo.org/index.php/tjvm/article/view/9570.