Grimberg, A., Shigueoka, D. C., Atallah, Álvaro N., Ajzen, S. and Iared, W. (2010) “Diagnostic accuracy of sonography for pleural effusion: systematic review”, São Paulo Medical Journal, 128(2), pp. 90–95. Available at: https://periodicosapm.emnuvens.com.br/spmj/article/view/1733 (Accessed: 17 March 2025).