BOY, D P. What is the cause of this widened mediastinum?. African Journal of Thoracic and Critical Care Medicine, [S. l.], v. 28, n. 4, p. 201, 2022. Disponível em: https://samajournals.co.za/index.php/ajtccm/article/view/608. Acesso em: 18 apr. 2026.