Low coverage of seasonal influenza vaccination in the elderly in many European countries
Mereckiene, J and Cotter, S and Weber, J T and Nicoll, A and Lévy-Bruhl, D and Ferro, A and Tridente, G and Zanoni, G and Berra, P and Salmaso, S and O'Flanagan, D and on behalf of the VENICE gatekeepers group , Collective, Eurosurveillance, 13, 19001 (2008), https://doi.org/10.2807/ese.13.41.19001-en