%0 Journal Article %A Handysides, S %T Active surveillance of rare and serious diseases in children %D 2000 %J Weekly releases (1997–2007) %V 4 %N 39 %P 1521 %R doi:https://doi.org/10.2807/esw.04.39.01521-en %U https://www.eurosurveillance.org/content/10.2807/esw.04.39.01521-en