Correia, Paula, M João Brito, Helena R Andrade, Conceição Neves, Gonçalo N Cordeiro Ferreira, Elsa Reis Vasco, and Maria Céu Machado. 2004. “Echovirus Type 13 Meningitis: Admissions to a Paediatric Ward at a Lisbon Hospital”. Acta Médica Portuguesa 17 (4). Lisbon, Portugal:299-302. https://doi.org/10.20344/amp.1096.