STRUCTURE OF THE HEART, CARDIAC CONDUCTION SYSTEM, AND CORONARY BLOOD SUPPLY. International journal of medical sciences, [S. l.], v. 6, n. 4, p. 430–434, 2026. DOI: 10.55640/. Disponível em: https://www.academicpublishers.org/journals/index.php/ijms/article/view/12477.. Acesso em: 8 aug. 2026.