@article{:/content/10.2807/esm.12.04.00696-en, author = "Kroneman, M and van Essen, G A", title = "Stagnating influenza vaccine coverage rates among high-risk groups in Poland and Sweden in 2003/4 and 2004/5", journal = "Eurosurveillance", year = "2007", volume = "12", number = "4", eid = 696, pages = "1-2", url = "https://www.eurosurveillance.org/content/10.2807/esm.12.04.00696-en", doi = "https://doi.org/10.2807/esm.12.04.00696-en" }