Rana, Ankush, and Pardeep Sharma. “Six-Limb-Lead Electrocardiogram in Common Dog Breeds: Reference Values”. Himachal Journal of Agricultural Research 50, no. 1 (June 30, 2024): 146–152. Accessed August 17, 2025. https://www.hjar.org/index.php/hjar/article/view/172562.