@article{:/content/10.2807/esw.12.24.03221-en, author = "Lopalco, P L", title = "Measuring the impact of PCV7 in the European Union: why it is a priority", journal = "Weekly releases (1997–2007)", year = "2007", volume = "12", number = "24", eid = 3221, pages = "", url = "https://www.eurosurveillance.org/content/10.2807/esw.12.24.03221-en", doi = "https://doi.org/10.2807/esw.12.24.03221-en" }