KOCIJANČIČ, Igor. Imaging of small amounts of pleural fluid. Part one - small pleural effusions. Radiology and Oncology, [S. l.], v. 39, n. 4, 2005. Disponível em: https://www.radioloncol.com/index.php/ro/article/view/1279. Acesso em: 24 dec. 2025.