Prognosis and risk of death in patients with acute coronary syndrome without elevation of the S-T segment: A single-center observational study, application of the GRACE scale. Actas Médicas (Ecuador), [S. l.], v. 34, n. 1, p. 10–17, 2024. DOI: 10.61284/170. Disponível em: http://actasmedicas.ec/index.php/am/article/view/170.. Acesso em: 30 apr. 2026.