@article{:/content/10.2807/esw.04.39.01521-en, author = "Handysides, S", title = "Active surveillance of rare and serious diseases in children", journal = "Weekly releases (1997–2007)", year = "2000", volume = "4", number = "39", eid = 1521, pages = "", url = "https://www.eurosurveillance.org/content/10.2807/esw.04.39.01521-en", doi = "https://doi.org/10.2807/esw.04.39.01521-en" }