Rueff Rato, I., Rigor, J., Ferreira, P., Laranjinha, J., Santos Silva, G., & Martins-Mendes, D. (2021). Investigating Febrile Polyserositis: An Unusual Case of Idiopathic Hypereosinophilic Syndrome. European Journal of Case Reports in Internal Medicine, 8(4). https://doi.org/10.12890/2021_002426