@article{:/content/10.2807/esw.08.13.02424-en, author = "Castro, L and Cardoso, A I and Rebelo-Andrade, Helena and Gray, J J and Saraiva, Margarida and Gonçalves, G", title = "Norovirus outbreak in a school in the north of Portugal", journal = "Weekly releases (1997–2007)", year = "2004", volume = "8", number = "13", eid = 2424, pages = "", url = "https://www.eurosurveillance.org/content/10.2807/esw.08.13.02424-en", doi = "https://doi.org/10.2807/esw.08.13.02424-en" }