@article{:/content/10.2807/esw.06.08.02031-en, author = "Hasseltvedt, V and Høiby, E A", title = "Systemic pneumococcal disease in Norway, 2001", journal = "Weekly releases (1997–2007)", year = "2002", volume = "6", number = "8", eid = 2031, pages = "", url = "https://www.eurosurveillance.org/content/10.2807/esw.06.08.02031-en", doi = "https://doi.org/10.2807/esw.06.08.02031-en" }