Gómez, F. A., L. E. Ballesteros, and H. Y. Estupiñan. “Morphological Characterization of the Left Coronary Artery in Horses. Comparative Analysis With Humans, Pigs, and Other Animal Species”. Italian Journal of Anatomy and Embryology, vol. 122, no. 2, Sept. 2017, pp. 137-46, https://oajournals.fupress.net/index.php/ijae/article/view/1598.