Ferreira, F., Marnoto, D. ., Ribeiro, A., Carreiro, I., Moura, C., Frade, M. J. and Sousa Fernandes, J. (1999) “Dural sinos thrombosis in patients with mastoiditis”, Internal Medicine. Lisboa, Portugal, 6(1), pp. 27–30. Available at: https://revista.spmi.pt/index.php/rpmi/article/view/2033 (Accessed: 20 May 2024).