KHAN, K.; BUTT, M. A. R.; YAQOOB, N.; AHMED, F.; AHMAD, Z.; RIAZ, K. Frequency and etiology of pericardial effusion among patients with dyspnea presenting at emergency department. International journal of health sciences, [S. l.], v. 7, n. S1, p. 2534–2540, 2023. DOI: 10.53730/ijhs.v7nS1.14540. Disponível em: https://sciencescholar.us/journal/index.php/ijhs/article/view/14540. Acesso em: 4 jun. 2026.