H, M.N., TAMULI, M.K. and DAS, A. (2011) “Augmented unipolar lead based formula for calculation of meanelectrical axis of the heart”, The Indian Journal of Animal Sciences, 79(4). Available at: https://epubs.icar.org.in/index.php/IJAnS/article/view/2803 (Accessed: 23 October 2025).