H, MOHAN N; TAMULI, M K; DAS, ANUBRATA. Augmented unipolar lead based formula for calculation of meanelectrical axis of the heart. The Indian Journal of Animal Sciences, Delhi, India, v. 79, n. 4, 2011. Disponível em: https://epubs.icar.org.in/index.php/IJAnS/article/view/2803. Acesso em: 23 oct. 2025.