MINOCA: The unexpected heart attack behind lower back pain and headache: Myocardial infarction with non-obstructive coronary arteries (MINOCA). Actas Médicas (Ecuador), [S. l.], v. 35, n. S1, p. 1, 2025. DOI: 10.61284/249. Disponível em: https://actasmedicas.ec/index.php/am/article/view/249.. Acesso em: 27 apr. 2026.