%0 Journal Article %A Hasseltvedt, V %A Høiby, E A %T Systemic streptococcal group B disease in Norway – an increasing health problem %D 2001 %J Weekly releases (1997–2007) %V 5 %N 40 %P 2086 %R doi:https://doi.org/10.2807/esw.05.40.02086-en %K invasive streptococcal infections %U https://www.eurosurveillance.org/content/10.2807/esw.05.40.02086-en