Primary pericardial synovial sarcoma presenting as cardiac  tamponade. Indian Journal of Case Reports, [S. l.], v. 12, n. 1, p. 32–35, 2026. DOI: 10.32677/ijcr.v12i1.7920. Disponível em: https://www.mansapublishers.com/ijcr/article/view/7920. Acesso em: 17 aug. 2026.