Frequency of pleural effusion in dengue patients by severity, age and imaging modality: a systematic review and meta-analysis oleh Molly D. Kaagaard, Luan Oliveira Matos, Marliton V. P. Evangelista, Alma Wegener, Anna Engell Holm, Lasse S. Vestergaard, Suiane C. N. Do Valle, Odilson M. Silvestre, Marcus Vinícius Guimarães Lacerda, Rodrigo Medeiros de Souza, Flavia Barreto dos Santos, Tor Biering-Sørensen, Philip Brainin