RT Journal Article SR Electronic(1) A1 Arkema, J MS A1 Meijer, A A1 Paget, W J A1 van Casteren, V A1 Hungnes, O A1 Mazick, A A1 Van Der Velden, J YR 2008 T1 The influenza season has started in a number of European countries JF Eurosurveillance VO 13 IS 4 SP 3SP 8021 OP 4 DO https://doi.org/10.2807/ese.13.04.08021-en UL https://www.eurosurveillance.org/content/10.2807/ese.13.04.08021-en