Nogueira, J. A., Simões, J., Pontinha, N., Pinto, A., Freitas-Fonseca, A., & Lecour, H. (1999). Etiologic diagnosis of viral meningitis. Study of 142 cases. Acta Médica Portuguesa, 12(12), 341–4. https://doi.org/10.20344/amp.2167