Clinical characterization, risk factors, and evolution of pulmonary thromboembolism: A single-center retrospective observational study. Actas Médicas (Ecuador), [S. l.], v. 35, n. 2, p. 190–199, 2025. DOI: 10.61284/274. Disponível em: https://actasmedicas.ec/index.php/am/article/view/274.. Acesso em: 16 apr. 2026.